--- title: "Meaning & Key Takeaway of: People used to think that biological…" description: "\"People used to think that biological clocks were not only mysterious, they were seen almost as miracles. This is no longer the case.\" — Jeffrey C. Hall" image: "https://sms4smile.com/quotes/i/6cf/jeffrey-c-hall-39669_biological-clock_people-used-to-think-that-biological-clo_1995846.jpg" --- # People used to think that biological clocks were not only… ![“People used to think that biological clocks were not only mysterious, they were seen almost as miracles. This is no longer the case.” quote by Jeffrey C. Hall](https://sms4smile.com/quotes/i/6cf/jeffrey-c-hall-39669_biological-clock_people-used-to-think-that-biological-clo_1995846.jpg) [Download](https://sms4smile.com/quotes/i/6cf/jeffrey-c-hall-39669_biological-clock_people-used-to-think-that-biological-clo_1995846.jpg) [Open image](https://sms4smile.com/quotes/i/6cf/jeffrey-c-hall-39669_biological-clock_people-used-to-think-that-biological-clo_1995846.jpg) > “People used to think that biological clocks were not only mysterious, they were seen almost as miracles. This is no longer the case.” [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Biological clocks were once mythic, now understood as measurable mechanisms. **In simple terms:** Science demystifies myths. Key Takeaway Learn the science behind rhythms. Themes science biology myths Mood analytical curious Type educational informative When to use this quote - shift work - jet lag - sleep disorders - health planning Key Concepts chronobiology genetics Questions to Reflect On - What daily habit aligns with your circadian rhythm? - How can you apply this knowledge to improve sleep? A Different Perspective Complexity can overwhelm laypeople. ★ ★ ★ ★ ★ No ratings yet [Biological clock](https://sms4smile.com/quotes/about/biological-clock/) [Miracles](https://sms4smile.com/quotes/about/miracles/) [Mysterious](https://sms4smile.com/quotes/about/mysterious/) [People](https://sms4smile.com/quotes/about/people/) ## Related quotes > [“We can screw up our biological clocks a lot easier than that, too. Shift work, where employees alternate between days and nights on the…](https://sms4smile.com/quotes/douglas-rushkoff/we-can-screw-up-our-biological-clocks-a-lot-easier-than-that-too/) [Douglas Rushkoff](https://sms4smile.com/quotes/author/douglas-rushkoff/) > [“Let us crush these so-called biological clocks that give us nothing but fear, and encourage us to make stupid decisions. Let us crush these…](https://sms4smile.com/quotes/osayi-osar-emokpae/let-us-crush-these-so-called-biological-clocks-that-give-us-nothing/) [Osayi Osar-Emokpae](https://sms4smile.com/quotes/author/osayi-osar-emokpae/) > [I think women assess time passage much better than men - because of their biological clocks - and they are much more realistic about…](https://sms4smile.com/quotes/danny-boyle/i-think-women-assess-time-passage-much-better-than-men-because-of/) [Danny Boyle](https://sms4smile.com/quotes/author/danny-boyle/) > [I was trained as a neurologist, and then I went into the theater, and if you're brought up to think of yourself as a…](https://sms4smile.com/quotes/jonathan-miller/i-was-trained-as-a-neurologist-and-then-i-went-into-the-theater-and/) [Jonathan Miller](https://sms4smile.com/quotes/author/jonathan-miller/) > [A functional biological clock has three components: input from the outside world to set the clock, the timekeeping mechanism itself, and genetic machinery that…](https://sms4smile.com/quotes/jeffrey-c-hall/a-functional-biological-clock-has-three-components-input-from-the/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [Ive seen dreams that move the mountains, hope that doesnt ever end, even when the sky is falling. Ive seen miracles just happen, silent…](https://sms4smile.com/quotes/kutless/ive-seen-dreams-that-move-the-mountains-hope-that-doesnt-ever-end/) Kutless > [I've seen many miracles take place in people's lives. Financial miracles, miracles of physical healing, mental healing, healing of relationships.](https://sms4smile.com/quotes/michael-beckwith/i-ve-seen-many-miracles-take-place-in-people-s-lives-financial/) [Michael Beckwith](https://sms4smile.com/quotes/author/michael-beckwith/) > [I have seen the bluest skies. Rainbows that would make you cry. I have seen miracles that moved my soul. People that have made…](https://sms4smile.com/quotes/ana-chable/i-have-seen-the-bluest-skies-rainbows-that-would-make-you-cry-i-have/) [Ana Chable](https://sms4smile.com/quotes/author/ana-chable/) > [I've seen miracles just happen silent prayers get answered broken hearts become brand new that's what FAITH can do...](https://sms4smile.com/quotes/ritu-ghatourey/i-ve-seen-miracles-just-happen-silent-prayers-get-answered-broken/) [Ritu Ghatourey](https://sms4smile.com/quotes/author/ritu-ghatourey/) > [I've seen miracles, but I still haven't seen anything that amazes me quite like you do.](https://sms4smile.com/quotes/kemis-khan/i-ve-seen-miracles-but-i-still-haven-t-seen-anything-that-amazes-me/) [Kemis Khan](https://sms4smile.com/quotes/author/kemis-khan/) > [I have seen miracles in my time, my brothers and sisters. The greatest miracle of all, I believe, is the transformation that comes into…](https://sms4smile.com/quotes/gordon-b-hinckley/i-have-seen-miracles-in-my-time-my-brothers-and-sisters-the-greatest/) [Gordon B. Hinckley](https://sms4smile.com/quotes/author/gordon-b-hinckley/) > [I've seen miracles happen, silent prayers get answered, and broken hearts become brand new. That's what faith can do.](https://sms4smile.com/quotes/anonymous/i-ve-seen-miracles-happen-silent-prayers-get-answered-and-broken/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [I've seen miracles happen with sound…](https://sms4smile.com/quotes/tom-kenyon/i-ve-seen-miracles-happen-with-sound/) [Tom Kenyon](https://sms4smile.com/quotes/author/tom-kenyon/) > [You can understand why I'm a believer. I have seen miracles.](https://sms4smile.com/quotes/benjamin-carson/you-can-understand-why-i-m-a-believer-i-have-seen-miracles/) [Benjamin Carson](https://sms4smile.com/quotes/author/benjamin-carson/) > [I don't think science is totally true, because I've seen miracles happen through prayer.](https://sms4smile.com/quotes/meredith-brooks/i-don-t-think-science-is-totally-true-because-i-ve-seen-miracles/) [Meredith Brooks](https://sms4smile.com/quotes/author/meredith-brooks/) ## More by Jeffrey C. Hall > [Cryptochrome harnesses the energy of incoming blue light, but other molecules are probably needed to absorb light of other colors.](https://sms4smile.com/quotes/jeffrey-c-hall/cryptochrome-harnesses-the-energy-of-incoming-blue-light-but-other/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [It is very unlikely that the genetics of homosexuality will ever devolve to a single factor in humans with such major effects as it…](https://sms4smile.com/quotes/jeffrey-c-hall/it-is-very-unlikely-that-the-genetics-of-homosexuality-will-ever/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [I admit that I resent running out of research money.](https://sms4smile.com/quotes/jeffrey-c-hall/i-admit-that-i-resent-running-out-of-research-money/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [In my day, you could get a faculty job with zero post-doc papers, as in the case of yours truly; but now, the CV…](https://sms4smile.com/quotes/jeffrey-c-hall/in-my-day-you-could-get-a-faculty-job-with-zero-post-doc-papers-as-in/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [A functional biological clock has three components: input from the outside world to set the clock, the timekeeping mechanism itself, and genetic machinery that…](https://sms4smile.com/quotes/jeffrey-c-hall/a-functional-biological-clock-has-three-components-input-from-the/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [In any complex organism, brain formation and function must be controlled in part by genes.](https://sms4smile.com/quotes/jeffrey-c-hall/in-any-complex-organism-brain-formation-and-function-must-be/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [What props up biological research, at least in the vaunted U.S. of A., involves a situation so deeply imbued with entitlement mentality that it…](https://sms4smile.com/quotes/jeffrey-c-hall/what-props-up-biological-research-at-least-in-the-vaunted-u-s-of-a/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [Brandeis is so fast and loose and informal, I didn't have any problem offering a history course as a biologist. The barriers would be…](https://sms4smile.com/quotes/jeffrey-c-hall/brandeis-is-so-fast-and-loose-and-informal-i-didn-t-have-any-problem/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [The question is not whether but how do the actions of a given gene influence some interesting aspect of behavior.](https://sms4smile.com/quotes/jeffrey-c-hall/the-question-is-not-whether-but-how-do-the-actions-of-a-given-gene/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) > [People always think I'm Jewish. Actually, I'm a lapsed Catholic.](https://sms4smile.com/quotes/jeffrey-c-hall/people-always-think-i-m-jewish-actually-i-m-a-lapsed-catholic/) [Jeffrey C. Hall](https://sms4smile.com/quotes/author/jeffrey-c-hall/) [Explore all 11 Jeffrey C. Hall quotes ](https://sms4smile.com/quotes/author/jeffrey-c-hall/) ## More Biological clock quotes > [“She faced him. “I have to, Lee. In a few weeks, you’ll be gone. Until then, there’s nothing more between us than sex.” “You…](https://sms4smile.com/quotes/rachel-grant/she-faced-him-i-have-to-lee-in-a-few-weeks-you-ll-be-gone-until-then/) [Rachel Grant](https://sms4smile.com/quotes/author/rachel-grant/) > [Time is an experience in consciousness. It is metabolized as our biological clock. Changing our experience of time can reverse aging.](https://sms4smile.com/quotes/deepak-chopra/time-is-an-experience-in-consciousness-it-is-metabolized-as-our/) [Deepak Chopra](https://sms4smile.com/quotes/author/deepak-chopra/) > [Why limit yourself to the experience of your own relatively brief time on earth, according to your biological clock, when the whole realm of…](https://sms4smile.com/quotes/david-mccullough/why-limit-yourself-to-the-experience-of-your-own-relatively-brief/) [David McCullough](https://sms4smile.com/quotes/author/david-mccullough/) > [The way we metabolize our experience of time influences our biological clock.](https://sms4smile.com/quotes/deepak-chopra/the-way-we-metabolize-our-experience-of-time-influences-our/) [Deepak Chopra](https://sms4smile.com/quotes/author/deepak-chopra/) > [Biological clock? I don't even own a watch.](https://sms4smile.com/quotes/sarah-mlynowski/biological-clock-i-don-t-even-own-a-watch/) [Sarah Mlynowski](https://sms4smile.com/quotes/author/sarah-mlynowski/) > [If you can wiggle your toes with the mere flicker of an intention, why can't you reset your biological clock?](https://sms4smile.com/quotes/deepak-chopra/if-you-can-wiggle-your-toes-with-the-mere-flicker-of-an-intention-why/) [Deepak Chopra](https://sms4smile.com/quotes/author/deepak-chopra/) > [“We can screw up our biological clocks a lot easier than that, too. Shift work, where employees alternate between days and nights on the…](https://sms4smile.com/quotes/douglas-rushkoff/we-can-screw-up-our-biological-clocks-a-lot-easier-than-that-too/) [Douglas Rushkoff](https://sms4smile.com/quotes/author/douglas-rushkoff/) > [Why should I worry about the biological clock ticking? Saif is 10 years older. He should be worried.](https://sms4smile.com/quotes/kareena-kapoor/why-should-i-worry-about-the-biological-clock-ticking-saif-is-10/) [Kareena Kapoor](https://sms4smile.com/quotes/author/kareena-kapoor/) > [It is easier to wiggle the toes than reset the biological clock, but that is just a belief that is rooted in superstition. If…](https://sms4smile.com/quotes/deepak-chopra/it-is-easier-to-wiggle-the-toes-than-reset-the-biological-clock-but/) [Deepak Chopra](https://sms4smile.com/quotes/author/deepak-chopra/) > [The realisation that all things that society gives us is an illusion is the only way to free yourself from the tribe. All these…](https://sms4smile.com/quotes/jeremy-limn/the-realisation-that-all-things-that-society-gives-us-is-an-illusion/) [Jeremy Limn](https://sms4smile.com/quotes/author/jeremy-limn/) > [I never went through a biological clock experience. I never even heard it ticking.](https://sms4smile.com/quotes/jane-lynch/i-never-went-through-a-biological-clock-experience-i-never-even-heard/) [Jane Lynch](https://sms4smile.com/quotes/author/jane-lynch/) > [“Let us crush these so-called biological clocks that give us nothing but fear, and encourage us to make stupid decisions. Let us crush these…](https://sms4smile.com/quotes/osayi-osar-emokpae/let-us-crush-these-so-called-biological-clocks-that-give-us-nothing/) [Osayi Osar-Emokpae](https://sms4smile.com/quotes/author/osayi-osar-emokpae/) > [“Mama Ginger came calling, to set the alarm on my biological clock. Oh, and to remind me that there’s no point to me being…](https://sms4smile.com/quotes/molly-harper/mama-ginger-came-calling-to-set-the-alarm-on-my-biological-clock-oh/) [Molly Harper](https://sms4smile.com/quotes/author/molly-harper/) > [Only when the clock stops does time come to life](https://sms4smile.com/quotes/william-faulkner/only-when-the-clock-stops-does-time-come-to-life/) [William Faulkner](https://sms4smile.com/quotes/author/william-faulkner/) > [I've been broody since I was only one-year-old. My biological clock started ticking almost straight away.](https://sms4smile.com/quotes/jamie-demetriou/i-ve-been-broody-since-i-was-only-one-year-old-my-biological-clock/) [Jamie Demetriou](https://sms4smile.com/quotes/author/jamie-demetriou/) [Browse all 44 Biological clock quotes ](https://sms4smile.com/quotes/about/biological-clock/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "People used to think that biological clocks were not only mysterious, they were seen almost as miracles. This is no longer the case.", "creator": { "@type": "Person", "name": "Jeffrey C. 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