---
title: "14 Life Spans Quotes by 12 authors"
description: "Browse 14 Life Spans quotes by 12 authors. Discover the best Life Spans sayings and thoughts."
image: "https://sms4smile.com/quotes/i/54b/arthur-c-clarke-640_friendship_why-robert-singh-often-wondered-did-we-g_2041880.jpg"
---

> [Why, Robert Singh often wondered, did we give our hearts to friends whose life spans are so much shorter than our own?](https://sms4smile.com/quotes/arthur-c-clarke/why-robert-singh-often-wondered-did-we-give-our-hearts-to-friends/)

[Arthur C. Clarke](https://sms4smile.com/quotes/author/arthur-c-clarke/)

[Image](https://sms4smile.com/quotes/i/54b/arthur-c-clarke-640_friendship_why-robert-singh-often-wondered-did-we-g_2041880.jpg)

> [The average life spans of many bands are not that long, up to five years if they are lucky.](https://sms4smile.com/quotes/mike-mccready/the-average-life-spans-of-many-bands-are-not-that-long-up-to-five/)

[Mike McCready](https://sms4smile.com/quotes/author/mike-mccready/)

[Image](https://sms4smile.com/quotes/i/ca7/mike-mccready-3746_age-life_the-average-life-spans-of-many-bands-are_1023347.jpg)

> [“The first three—religion, environment, and health insurance—do not correlate with longer life spans for the poor. The variable that does matter, according”](https://sms4smile.com/quotes/seth-stephens-davidowitz/the-first-three-religion-environment-and-health-insurance-do-not/)

[Seth Stephens-Davidowitz](https://sms4smile.com/quotes/author/seth-stephens-davidowitz/)

[Image](https://sms4smile.com/quotes/i/4d8/seth-stephens-davidowitz-10761_health_the-first-three-religion-environment-and_1063375.jpg)

> [“With our limited life spans, we mere mortals have to figure out what best to do with our time so that when…](https://sms4smile.com/quotes/joey-w-hill/with-our-limited-life-spans-we-mere-mortals-have-to-figure-out-what/)

[Joey W. Hill](https://sms4smile.com/quotes/author/joey-w-hill/)

[Image](https://sms4smile.com/quotes/i/786/joey-w-hill-2643_death_with-our-limited-life-spans-we-mere-mort_1237648.jpg)

> [Perhaps genes did regulate the aging process. Perhaps different organisms had different life spans because a universal regulatory 'clock' was set to…](https://sms4smile.com/quotes/cynthia-kenyon/perhaps-genes-did-regulate-the-aging-process-perhaps-different/)

[Cynthia Kenyon](https://sms4smile.com/quotes/author/cynthia-kenyon/)

[Image](https://sms4smile.com/quotes/i/453/cynthia-kenyon-17725_aging_perhaps-genes-did-regulate-the-aging-pro_1561369.jpg)

> [“Trust me, at the time nine hundred years seemed frighteningly short - it still does. I really don't know how you cope…](https://sms4smile.com/quotes/tosca-lee/trust-me-at-the-time-nine-hundred-years-seemed-frighteningly-short-it/)

[Tosca Lee](https://sms4smile.com/quotes/author/tosca-lee/)

[Image](https://sms4smile.com/quotes/i/d01/tosca-lee-19133_life_trust-me-at-the-time-nine-hundred-years_1000178.jpg)

> [Dogs have such short life spans, it's like a concentrated version of a human life. When they get older, they become much…](https://sms4smile.com/quotes/caroline-knapp/dogs-have-such-short-life-spans-it-s-like-a-concentrated-version-of-a/)

[Caroline Knapp](https://sms4smile.com/quotes/author/caroline-knapp/)

[Image](https://sms4smile.com/quotes/i/cfe/caroline-knapp-7652_animal_dogs-have-such-short-life-spans-it-s-lik_692688.jpg)

> [We belong to that order of mammals, the primates, distinguished by its propensity for repeated single litters, intense parental care, long life-spans,…](https://sms4smile.com/quotes/louise-j-kaplan/we-belong-to-that-order-of-mammals-the-primates-distinguished-by-its/)

[Louise J. Kaplan](https://sms4smile.com/quotes/author/louise-j-kaplan/)

[Image](https://sms4smile.com/quotes/i/25b/louise-j-kaplan-16276_aging_we-belong-to-that-order-of-mammals-the-p_373868.png)

> [“You will be free from pain for a very long time. But not forever, that’s a myth. We don’t live forever, we…](https://sms4smile.com/quotes/jaime-johnesee/you-will-be-free-from-pain-for-a-very-long-time-but-not-forever-that/)

[Jaime Johnesee](https://sms4smile.com/quotes/author/jaime-johnesee/)

[Image](https://sms4smile.com/quotes/i/234/jaime-johnesee-92913_holy-water_you-will-be-free-from-pain-for-a-very-lo_1161442.jpg)

> [People race to achieve everything by a certain age in their life, be it 40, 50 or 60 - but with increasing…](https://sms4smile.com/quotes/tom-butler-bowdon/people-race-to-achieve-everything-by-a-certain-age-in-their-life-be/)

[Tom Butler-Bowdon](https://sms4smile.com/quotes/author/tom-butler-bowdon/)

[Image](https://sms4smile.com/quotes/i/6e6/tom-butler-bowdon-32015_achieve_people-race-to-achieve-everything-by-a-c_2489472.jpg)

> [With people having longer life spans, 50 is the age at which many people only just get into their stride. Consider Ray…](https://sms4smile.com/quotes/tom-butler-bowdon/with-people-having-longer-life-spans-50-is-the-age-at-which-many/)

[Tom Butler-Bowdon](https://sms4smile.com/quotes/author/tom-butler-bowdon/)

[Image](https://sms4smile.com/quotes/i/596/tom-butler-bowdon-32015_age_with-people-having-longer-life-spans-50_1086419.png)

> [“We can with an order of probability bordering on certainty extend maximum human life span by means of a calorically restricted optimal…](https://sms4smile.com/quotes/john-robbins/we-can-with-an-order-of-probability-bordering-on-certainty-extend/)

[John Robbins](https://sms4smile.com/quotes/author/john-robbins/)

[Image](https://sms4smile.com/quotes/i/2bb/john-robbins-13829_aging_we-can-with-an-order-of-probability-bord_1199715.jpg)

> [“Did you know that for pretty much the entire history of the human species, the average life span was less than thirty…](https://sms4smile.com/quotes/john-green/did-you-know-that-for-pretty-much-the-entire-history-of-the-human/)

[John Green](https://sms4smile.com/quotes/author/john-green/)

[Image](https://sms4smile.com/quotes/i/fe2/john-green-12_age-life_did-you-know-that-for-pretty-much-the-en_1236576.jpg)

> [“Margo managed to speak in her usual manic soliloquy without answering my question. “Did you know that for pretty much the entire…](https://sms4smile.com/quotes/john-green/margo-managed-to-speak-in-her-usual-manic-soliloquy-without-answering/)

[John Green](https://sms4smile.com/quotes/author/john-green/)

[Image](https://sms4smile.com/quotes/i/593/john-green-12_age-life_margo-managed-to-speak-in-her-usual-mani_769534.jpg)

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                        "text": "“We can with an order of probability bordering on certainty extend maximum human life span by means of a calorically restricted optimal nutrition diet.…There is now abundant hard evidence—not testimonial evidence, not clinical anecdote, not based on plausibility arguments, and not even correlational evidence, although all these exist in plenitude—but hard, well-controlled and steadfastly confirmed experimental evidence that a low calorie diet that provides optimum nutrition will greatly extend average and maximum life spans, postpone the onset and decrease the frequencies of most or all of the “diseases of aging,” maintain biomarkers at levels younger than chronological age, maintain sexual potency, general vitality, and ability to engage in sports into advanced age, and delay deterioration of the brain.28 It is true”",
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                        "text": "“Did you know that for pretty much the entire history of the human species, the average life span was less than thirty years? You could count on ten years or so of real adulthood, right? There was no planning for retirement, There was no planning for a career. There was no planning. No time for plannning. No time for a future. But then the life spans started getting longer, and people started having more and more future. And now life has become the future. Every moment of your life is lived for the future--you go to high school so you can go to college so you can get a good job so you can get a nice house so you can afford to send your kids to college so they can get a good job so they can get a nice house so they can afford to send their kids to college.”",
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                        "text": "“Margo managed to speak in her usual manic soliloquy without answering my question. “Did you know that for pretty much the entire history of the human species, the average life span was less than thirty years? You could count on ten years or so of real adulthood, right? There was no planning for retirement. There was no planning for a career. There was no planning. No time for planning. No time for a future. But then the life spans started getting longer, and people started having more and more future, and so they spent more time thinking about it. About the future. And now life has become the future. Every moment of your life is lived for the future—you go to high school so you can go to college so you can get a good job so you can get a nice house so you can afford to send your kids to college so they can get a good job so they can get a nice house so they can afford to send their kids to college.”",
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