---
title: "19 Biology Quotes By Neil deGrasse Tyson"
description: "19 Biology quotes by Neil deGrasse Tyson. Plus more from Neil deGrasse Tyson and more Biology sayings from other authors."
image: "https://sms4smile.com/quotes/i/7f0/neil-degrasse-tyson-143_biology_the-discovery-of-any-kind-of-life-in-spa_2766787.png"
---

> [ The discovery of any kind of life \[in Space\] at all would be a tremendous watershed moment in biology, as well as… ](https://sms4smile.com/quotes/neil-degrasse-tyson/the-discovery-of-any-kind-of-life-in-space-at-all-would-be-a/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/7f0/neil-degrasse-tyson-143_biology_the-discovery-of-any-kind-of-life-in-spa_2766787.png)

> [Relativity. Gravity. Quantum. Electrodynamics. Evolution. Each of these theories is true, whether or not you believe in them.](https://sms4smile.com/quotes/neil-degrasse-tyson/relativity-gravity-quantum-electrodynamics-evolution-each-of-these/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/020/neil-degrasse-tyson-143_atheism_relativity-gravity-quantum-electrodynami_2846733.png)

> [There is no true understanding of Biology without Chemistry. And there's no true understanding of Chemistry without Physics.](https://sms4smile.com/quotes/neil-degrasse-tyson/there-is-no-true-understanding-of-biology-without-chemistry-and-there/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/ab1/neil-degrasse-tyson-143_biology_there-is-no-true-understanding-of-biolog_2112597.png)

> [Before we start talking about genetic differences, you gotta come up with a system where there's equal opportunity,](https://sms4smile.com/quotes/neil-degrasse-tyson/before-we-start-talking-about-genetic-differences-you-gotta-come-up/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/410/neil-degrasse-tyson-143_biology_before-we-start-talking-about-genetic-di_1470563.png)

> [The theory of evolution, like the theory of gravity, is a scientific fact.](https://sms4smile.com/quotes/neil-degrasse-tyson/the-theory-of-evolution-like-the-theory-of-gravity-is-a-scientific/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/ae4/neil-degrasse-tyson-143_biology_the-theory-of-evolution-like-the-theory_604002.png)

> [“Every living thing is a masterpiece, written by nature and edited by evolution.”](https://sms4smile.com/quotes/neil-degrasse-tyson/every-living-thing-is-a-masterpiece-written-by-nature-and-edited-by/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/978/neil-degrasse-tyson-143_biology_every-living-thing-is-a-masterpiece-writ_936794.png)

> [If there were biologists among the extremophiles organisms that live in extreme conditions, they would surely classify themselves as normal and any…](https://sms4smile.com/quotes/neil-degrasse-tyson/if-there-were-biologists-among-the-extremophiles-organisms-that-live/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/4d9/neil-degrasse-tyson-143_biologist_if-there-were-biologists-among-the-extre_984122.png)

> [I try to show the public that chemistry, biology, physics, astrophysics is life. It is not some separate subject that you have…](https://sms4smile.com/quotes/neil-degrasse-tyson/i-try-to-show-the-public-that-chemistry-biology-physics-astrophysics/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/6ab/neil-degrasse-tyson-143_astrophysics_i-try-to-show-the-public-that-chemistry_748801.png)

> [Carl Sagan spoke fluently between biology and geology and astrophysics and physics. If you move fluently across those boundaries, you realize that…](https://sms4smile.com/quotes/neil-degrasse-tyson/carl-sagan-spoke-fluently-between-biology-and-geology-and/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/c2d/neil-degrasse-tyson-143_across_carl-sagan-spoke-fluently-between-biolog_764326.png)

> [“…I learned in biology class that more bacteria live and work in one centimeter of my colon, than the number of people…](https://sms4smile.com/quotes/neil-degrasse-tyson/i-learned-in-biology-class-that-more-bacteria-live-and-work-in-one/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/7b5/neil-degrasse-tyson-143_bacteria_i-learned-in-biology-class-that-more-bac_3098722.png)

> [“These early, single-celled organisms unwittingly transformed Earth’s carbon dioxide-rich atmosphere into one with sufficient oxygen to allow aerobic organisms to emerge and…](https://sms4smile.com/quotes/neil-degrasse-tyson/these-early-single-celled-organisms-unwittingly-transformed-earth-s/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/941/neil-degrasse-tyson-143_astrophysics_these-early-single-celled-organisms-unwi_2211054.png)

> [Where there's water on Earth, you find life as we know it. So if you find water somewhere else, it becomes a…](https://sms4smile.com/quotes/neil-degrasse-tyson/where-there-s-water-on-earth-you-find-life-as-we-know-it-so-if-you/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/140/neil-degrasse-tyson-143_biology_where-there-s-water-on-earth-you-find-li_1569481.png)

> [“The cosmic perspective not only embraces our genetic kinship with all life on Earth but also values our chemical kinship with any…](https://sms4smile.com/quotes/neil-degrasse-tyson/the-cosmic-perspective-not-only-embraces-our-genetic-kinship-with-all/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/be7/neil-degrasse-tyson-143_astronomy_the-cosmic-perspective-not-only-embraces_2614896.png)

> [Darwin's theory of evolution is a framework by which we understand the diversity of life on Earth. But there is no equation…](https://sms4smile.com/quotes/neil-degrasse-tyson/darwin-s-theory-of-evolution-is-a-framework-by-which-we-understand/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/6e3/neil-degrasse-tyson-143_biology_darwin-s-theory-of-evolution-is-a-framew_1908087.png)

> [Everything we do understand about the universe - the periodic table of elements, Einstein's laws, Newton's laws, all of chemistry, all of…](https://sms4smile.com/quotes/neil-degrasse-tyson/everything-we-do-understand-about-the-universe-the-periodic-table-of/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/fd0/neil-degrasse-tyson-143_biology_everything-we-do-understand-about-the-un_3166542.jpg)

> [We only recently figured out the origin of our own moon. And we have some idea of how the Sun and Earth…](https://sms4smile.com/quotes/neil-degrasse-tyson/we-only-recently-figured-out-the-origin-of-our-own-moon-and-we-have/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/ed8/neil-degrasse-tyson-143_biology_we-only-recently-figured-out-the-origin_2882034.jpg)

> [Some claim evolution is just a theory. As if it were merely an opinion. The theory of evolution, like the theory of…](https://sms4smile.com/quotes/neil-degrasse-tyson/some-claim-evolution-is-just-a-theory-as-if-it-were-merely-an-opinion/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/be4/neil-degrasse-tyson-143_accepting_some-claim-evolution-is-just-a-theory-as_2790026.png)

> [“The gravitational waves of the first detection were generated by a collision of black holes in a galaxy 1.3 billion light-years away,…](https://sms4smile.com/quotes/neil-degrasse-tyson/the-gravitational-waves-of-the-first-detection-were-generated-by-a/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/604/neil-degrasse-tyson-143_art-and-science_the-gravitational-waves-of-the-first-det_3069048.jpg)

> [“A modern example of this stunning knowledge of nature that Einstein has gifted us, comes from 2016, when gravitational waves were discovered…](https://sms4smile.com/quotes/neil-degrasse-tyson/a-modern-example-of-this-stunning-knowledge-of-nature-that-einstein/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

[Image](https://sms4smile.com/quotes/i/ba2/neil-degrasse-tyson-143_art-and-science_a-modern-example-of-this-stunning-knowle_1630567.png)

## Other authors on Biology

- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b020/author-richard-dawkins-78503.jpg) Richard Dawkins 67 quotes ](https://sms4smile.com/quotes/about/biology/richard-dawkins/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-stephen-jay-gould-87041.jpg) Stephen Jay Gould 40 quotes ](https://sms4smile.com/quotes/about/biology/stephen-jay-gould/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b008/author-e-o-wilson-31102.jpg) E. O. Wilson 29 quotes ](https://sms4smile.com/quotes/about/biology/e-o-wilson/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b001/author-yuval-noah-harari-100.jpg) Yuval Noah Harari 26 quotes ](https://sms4smile.com/quotes/about/biology/yuval-noah-harari/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-siddhartha-mukherjee-85288.jpg) Siddhartha Mukherjee 25 quotes ](https://sms4smile.com/quotes/about/biology/siddhartha-mukherjee/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b006/author-carl-sagan-20994.jpg) Carl Sagan 21 quotes ](https://sms4smile.com/quotes/about/biology/carl-sagan/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b019/author-pierre-teilhard-de-chardin-75655.jpg) Pierre Teilhard de Chardin 20 quotes ](https://sms4smile.com/quotes/about/biology/pierre-teilhard-de-chardin/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b002/author-frances-arnold-5774.jpg) Frances Arnold 20 quotes ](https://sms4smile.com/quotes/about/biology/frances-arnold/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b005/author-bill-nye-18005.jpg) Bill Nye 18 quotes ](https://sms4smile.com/quotes/about/biology/bill-nye/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b022/author-steven-pinker-87519.jpg) Steven Pinker 17 quotes ](https://sms4smile.com/quotes/about/biology/steven-pinker/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b009/author-ernst-mayr-33893.jpg) Ernst Mayr 16 quotes ](https://sms4smile.com/quotes/about/biology/ernst-mayr/)
- [Elliott Sober 14 quotes](https://sms4smile.com/quotes/about/biology/elliott-sober/)

## More by Neil deGrasse Tyson

> [I don't want to go into space because of war. I think we would if it was triggered. If China said they want to…](https://sms4smile.com/quotes/neil-degrasse-tyson/i-don-t-want-to-go-into-space-because-of-war-i-think-we-would-if-it/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [Quantum physics fluctuates all the time. But now the fluctuations are not just particles coming into and out of existence, which happens all the…](https://sms4smile.com/quotes/neil-degrasse-tyson/quantum-physics-fluctuates-all-the-time-but-now-the-fluctuations-are/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [In the movie, the stars above the ship bear no correspondence to any constellations in a real sky. Worse yet, while the heroine bobs...…](https://sms4smile.com/quotes/neil-degrasse-tyson/in-the-movie-the-stars-above-the-ship-bear-no-correspondence-to-any/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [The Pacific is the best toilet for satellites.](https://sms4smile.com/quotes/neil-degrasse-tyson/the-pacific-is-the-best-toilet-for-satellites/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [... informed ignorance provides the natural state of mind for research scientists at the ever-shifting frontiers of knowledge. People who believe themselves ignorant of…](https://sms4smile.com/quotes/neil-degrasse-tyson/informed-ignorance-provides-the-natural-state-of-mind-for-research/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [If you seek only easy problems to solve, then ultimately, there'll be nothing about you to distinguish yourself from others.](https://sms4smile.com/quotes/neil-degrasse-tyson/if-you-seek-only-easy-problems-to-solve-then-ultimately-there-ll-be/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [The caricature of science is that we hold tight to the theories we have, and shun challenges to them. That's just not true. In…](https://sms4smile.com/quotes/neil-degrasse-tyson/the-caricature-of-science-is-that-we-hold-tight-to-the-theories-we/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [New generations of humans inherit the acquired discoveries of generations past, allowing cosmic insight to accumulate without limit. Each discovery of science therefore adds…](https://sms4smile.com/quotes/neil-degrasse-tyson/new-generations-of-humans-inherit-the-acquired-discoveries-of/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [I've said multiple times that the world's first trillionaire is going to be the person who exploits the resources of asteroids, the natural resources…](https://sms4smile.com/quotes/neil-degrasse-tyson/i-ve-said-multiple-times-that-the-world-s-first-trillionaire-is-going/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [ They \[scientists of centuries past\] call on God only from the lonely and precarious edge of incomprehension. Where they feel certain about their explanations,… ](https://sms4smile.com/quotes/neil-degrasse-tyson/they-scientists-of-centuries-past-call-on-god-only-from-the-lonely/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [We explore our environment, more than we are compelled to utter poetry, when we're toddlers. We start doing that later. Before that happens, every…](https://sms4smile.com/quotes/neil-degrasse-tyson/we-explore-our-environment-more-than-we-are-compelled-to-utter-poetry/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [You can't have people making decisions about the future of the world who are scientifically illiterate. That's a recipe for disaster. And I don't…](https://sms4smile.com/quotes/neil-degrasse-tyson/you-can-t-have-people-making-decisions-about-the-future-of-the-world/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [Science surrounds you. It's not something that you can step aside, step over or push out of your way because you were never good…](https://sms4smile.com/quotes/neil-degrasse-tyson/science-surrounds-you-it-s-not-something-that-you-can-step-aside-step/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [The idea that God resides in the unknown is what philosophers call the God of the gaps. And we have this thing called science,…](https://sms4smile.com/quotes/neil-degrasse-tyson/the-idea-that-god-resides-in-the-unknown-is-what-philosophers-call/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

> [Everybody's got money for vacation time. Look at how much we all spend just to get - well, I get sick on the loop-the-loop…](https://sms4smile.com/quotes/neil-degrasse-tyson/everybody-s-got-money-for-vacation-time-look-at-how-much-we-all-spend/)

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

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                        "text": "The theory of evolution, like the theory of gravity, is a scientific fact.",
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                        "text": "If there were biologists among the extremophiles organisms that live in extreme conditions, they would surely classify themselves as normal and any life that thrived in room temperature as an extremophile.",
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                        "text": "Where there's water on Earth, you find life as we know it. So if you find water somewhere else, it becomes a remarkable draw to look closer to see if life of any kind is there, even if it's bacterial, which would be extraordinary for the field of biology.",
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                        "text": "“The cosmic perspective not only embraces our genetic kinship with all life on Earth but also values our chemical kinship with any yet-to-be discovered life in the universe, as well as our atomic kinship with the universe itself.”",
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                        "text": "Darwin's theory of evolution is a framework by which we understand the diversity of life on Earth. But there is no equation sitting there in Darwin's 'Origin of Species' that you apply and say, 'What is this species going to look like in 100 years or 1,000 years?' Biology isn't there yet with that kind of predictive precision.",
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                        "text": "Everything we do understand about the universe - the periodic table of elements, Einstein's laws, Newton's laws, all of chemistry, all of biology - that's 4 percent of the universe. We got to the moon on the 4 percent we do understand. We landed on Mars on the 4 percent we do understand. So the day we crack the nut of the rest of that 95 percent... Oh my gosh.",
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                        "text": "We only recently figured out the origin of our own moon. And we have some idea of how the Sun and Earth formed, but that's only because modern telescopes empower us to see other stars and planets freshly hatched within gas clouds across the galaxy. As for the origin of life itself, the transition from inanimate molecules to what any of us would call life remains one of the great frontiers of biology.",
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                        "text": "Some claim evolution is just a theory. As if it were merely an opinion. The theory of evolution, like the theory of gravity, is a scientific fact. Evolution really happened. Accepting our kinship with all life on Earth is not only solid science. In my view, it’s also a soaring spiritual experience.",
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                        "text": "“The gravitational waves of the first detection were generated by a collision of black holes in a galaxy 1.3 billion light-years away, and at a time when Earth was teeming with simple, single-celled organisms. While the ripple moved through space in all directions, Earth would, after another 800 million years, evolve complex life, including flowers and dinosaurs and flying creatures, as well as a branch of vertebrates called mammals. Among the mammals, a sub-branch would evolve frontal lobes and complex thought to accompany them. We call them primates. A single branch of these primates would develop a genetic mutation that allowed speech, and that branch—Homo Sapiens—would invent agriculture and civilization and philosophy and art and science. All in the last ten thousand years. Ultimately, one of its twentieth-century scientists would invent relativity out of his head, and predict the existence of gravitational waves. A century later, technology capable of seeing these waves would finally catch up with the prediction, just days before that gravity wave, which had been traveling for 1.3 billion years, washed over Earth and was detected. Yes, Einstein was a badass.”",
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                        "text": "“A modern example of this stunning knowledge of nature that Einstein has gifted us, comes from 2016, when gravitational waves were discovered by a specially designed observatory tuned for just this purpose.† These waves, predicted by Einstein, are ripples moving at the speed of light across the fabric of space-time, and are generated by severe gravitational disturbances, such as the collision of two black holes. And that’s exactly what was observed. The gravitational waves of the first detection were generated by a collision of black holes in a galaxy 1.3 billion light-years away, and at a time when Earth was teeming with simple, single-celled organisms. While the ripple moved through space in all directions, Earth would, after another 800 million years, evolve complex life, including flowers and dinosaurs and flying creatures, as well as a branch of vertebrates called mammals. Among the mammals, a sub-branch would evolve frontal lobes and complex thought to accompany them. We call them primates. A single branch of these primates would develop a genetic mutation that allowed speech, and that branch—Homo sapiens—would invent agriculture and civilization and philosophy and art and science. All in the last ten thousand years. Ultimately, one of its twentieth-century scientists would invent relativity out of his head, and predict the existence of gravitational waves. A century later, technology capable of seeing these waves would finally catch up with the prediction, just days before that gravity wave, which had been traveling for 1.3 billion years, washed over Earth and was detected. Yes, Einstein was a badass.”",
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