---
title: "28 Doubt Quotes By Friedrich Nietzsche"
description: "28 Doubt quotes by Friedrich Nietzsche. Plus more from Friedrich Nietzsche and more Doubt sayings from other authors."
image: "https://sms4smile.com/quotes/i/758/friedrich-nietzsche-15_air_one-should-not-go-into-churches-if-one-w_1282246.jpg"
---

> [One should not go into churches if one wants to breathe pure air.](https://sms4smile.com/quotes/friedrich-nietzsche/one-should-not-go-into-churches-if-one-wants-to-breathe-pure-air/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/758/friedrich-nietzsche-15_air_one-should-not-go-into-churches-if-one-w_1282246.jpg)

> [Madness is the result not of uncertainty but certainty.](https://sms4smile.com/quotes/friedrich-nietzsche/madness-is-the-result-not-of-uncertainty-but-certainty/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/c29/friedrich-nietzsche-15_certainty_madness-is-the-result-not-of-uncertainty_122849.jpg)

> [If a man have a strong faith he can indulge in the luxury of skepticism.](https://sms4smile.com/quotes/friedrich-nietzsche/if-a-man-have-a-strong-faith-he-can-indulge-in-the-luxury-of/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/c86/friedrich-nietzsche-15_doubt_if-a-man-have-a-strong-faith-he-can-indu_766837.jpg)

> [Not doubt, certainty is what drives one insane.](https://sms4smile.com/quotes/friedrich-nietzsche/not-doubt-certainty-is-what-drives-one-insane/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/f3e/friedrich-nietzsche-15_certainty_not-doubt-certainty-is-what-drives-one-i_2167647.jpg)

> [There is no better soporific and sedative than skepticism.](https://sms4smile.com/quotes/friedrich-nietzsche/there-is-no-better-soporific-and-sedative-than-skepticism/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/85b/friedrich-nietzsche-15_doubt_there-is-no-better-soporific-and-sedativ_1212279.jpg)

> [It is not doubt,is certitude that drives you mad.](https://sms4smile.com/quotes/friedrich-nietzsche/it-is-not-doubt-is-certitude-that-drives-you-mad/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/32e/friedrich-nietzsche-15_certitude_it-is-not-doubt-is-certitude-that-drives_994021.jpg)

> [Madness is the result not of uncertainty but of certainty.](https://sms4smile.com/quotes/friedrich-nietzsche/madness-is-the-result-not-of-uncertainty-but-of-certainty/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/d38/friedrich-nietzsche-15_doubt_madness-is-the-result-not-of-uncertainty_1893391.jpg)

> [Belief in truth begins with doubting all that has hitherto been believed to be true.](https://sms4smile.com/quotes/friedrich-nietzsche/belief-in-truth-begins-with-doubting-all-that-has-hitherto-been/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/f42/friedrich-nietzsche-15_being-true_belief-in-truth-begins-with-doubting-all_1847456.jpg)

> [“We have to cease to think, if we refuse to do it in the prison house of language; for we cannot reach…](https://sms4smile.com/quotes/friedrich-nietzsche/we-have-to-cease-to-think-if-we-refuse-to-do-it-in-the-prison-house/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/575/friedrich-nietzsche-15_thought_we-have-to-cease-to-think-if-we-refuse-t_1870644.jpg)

> [Whoever regards human beings as a herd and flees them as swiftly as he can will no doubt be overtaken by them…](https://sms4smile.com/quotes/friedrich-nietzsche/whoever-regards-human-beings-as-a-herd-and-flees-them-as-swiftly-as/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/46f/friedrich-nietzsche-15_doubt_whoever-regards-human-beings-as-a-herd-a_473714.jpg)

> [Only great pain is, as the teacher of great suspicion, the ultimate liberator of the spirit...I doubt whether such pain improves us-but…](https://sms4smile.com/quotes/friedrich-nietzsche/only-great-pain-is-as-the-teacher-of-great-suspicion-the-ultimate/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/7f3/friedrich-nietzsche-15_doubt_only-great-pain-is-as-the-teacher-of-gre_714738.jpg)

> [“Wherever life and knowledge seemed to contradict each other, there was never any serious struggle: in such cases, denial and doubt amounted…](https://sms4smile.com/quotes/friedrich-nietzsche/wherever-life-and-knowledge-seemed-to-contradict-each-other-there-was/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/ef4/friedrich-nietzsche-15_doubt_wherever-life-and-knowledge-seemed-to-co_3106492.jpg)

> [A Dionysian life task needs the hardness of the hammer and one of its first essentials is without doubt the joy to…](https://sms4smile.com/quotes/friedrich-nietzsche/a-dionysian-life-task-needs-the-hardness-of-the-hammer-and-one-of-its/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/baa/friedrich-nietzsche-15_destruction_a-dionysian-life-task-needs-the-hardness_2291280.jpg)

> [Women are quite able to make friends with a man; but to preserve such a friendship - that no doubt requires the…](https://sms4smile.com/quotes/friedrich-nietzsche/women-are-quite-able-to-make-friends-with-a-man-but-to-preserve-such/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/e31/friedrich-nietzsche-15_able_women-are-quite-able-to-make-friends-wit_1368189.jpg)

> [Truth will have no gods before it.- The belief in truth begins with the doubt of all truths in which one has…](https://sms4smile.com/quotes/friedrich-nietzsche/truth-will-have-no-gods-before-it-the-belief-in-truth-begins-with-the/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/39e/friedrich-nietzsche-15_attitude_truth-will-have-no-gods-before-it-the-be_571291.jpg)

> [But not to perish from internal distress and doubt when one inflicts great suffering and hears the cry of suffering : that…](https://sms4smile.com/quotes/friedrich-nietzsche/but-not-to-perish-from-internal-distress-and-doubt-when-one-inflicts/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/1cf/friedrich-nietzsche-15_cry_but-not-to-perish-from-internal-distress_2557899.jpg)

> [Whoever deliberately attempts to insure confidentiality with another person is usually in doubt as to whether he inspires that person's confidence in…](https://sms4smile.com/quotes/friedrich-nietzsche/whoever-deliberately-attempts-to-insure-confidentiality-with-another/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/dfb/friedrich-nietzsche-15_confidence_whoever-deliberately-attempts-to-insure_424536.jpg)

> [No one talks more passionately about his rights than he who in the depths of his soul doubts whether he has any.…](https://sms4smile.com/quotes/friedrich-nietzsche/no-one-talks-more-passionately-about-his-rights-than-he-who-in-the/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/0b4/friedrich-nietzsche-15_acquire_no-one-talks-more-passionately-about-his_295203.jpg)

> [Who can attain to anything great if he does not feel in himself the force and will to inflict great pain? The…](https://sms4smile.com/quotes/friedrich-nietzsche/who-can-attain-to-anything-great-if-he-does-not-feel-in-himself-the-2/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/d0e/friedrich-nietzsche-15_ability_who-can-attain-to-anything-great-if-he-d_3019553.jpg)

> [One should not be deceived: great spirits are skeptics ... Strength, FREEDOM which is born of the strength and overstrength of the…](https://sms4smile.com/quotes/friedrich-nietzsche/one-should-not-be-deceived-great-spirits-are-skeptics-strength/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/ab0/friedrich-nietzsche-15_born_one-should-not-be-deceived-great-spirits_2850666.jpg)

> [Christianity has done its utmost to close the circle and declared even doubt to be sin. One is supposed to be cast…](https://sms4smile.com/quotes/friedrich-nietzsche/christianity-has-done-its-utmost-to-close-the-circle-and-declared/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/3fa/friedrich-nietzsche-15_ambiguous_christianity-has-done-its-utmost-to-clos_1264701.jpg)

> [Historical refutation as the definitive refutation.- In former times, one sought to prove that there is no God - today one indicates…](https://sms4smile.com/quotes/friedrich-nietzsche/historical-refutation-as-the-definitive-refutation-in-former-times/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/dd6/friedrich-nietzsche-15_atheism_historical-refutation-as-the-definitive_355880.jpg)

> [It is only great pain--that slow, sustained pain that takes its time, in which we are, as it were, burned with smoldering…](https://sms4smile.com/quotes/friedrich-nietzsche/it-is-only-great-pain-that-slow-sustained-pain-that-takes-its-time-in/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/dab/friedrich-nietzsche-15_burned_it-is-only-great-pain-that-slow-sustaine_2413096.jpg)

> [“Doubt as sin. — Christianity has done its utmost to close the circle and declared even doubt to be sin. One is…](https://sms4smile.com/quotes/friedrich-nietzsche/doubt-as-sin-christianity-has-done-its-utmost-to-close-the-circle-and/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/e9e/friedrich-nietzsche-15_atheism_doubt-as-sin-christianity-has-done-its-u_1683683.jpg)

> [Belief in the truth commences with the doubting of all those "truths" we once believed.](https://sms4smile.com/quotes/friedrich-nietzsche/belief-in-the-truth-commences-with-the-doubting-of-all-those-truths/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/3da/friedrich-nietzsche-15_belief_belief-in-the-truth-commences-with-the-d_2196963.jpg)

> [It is no doubt possible to fly--but first you must know how to dance like an angel.](https://sms4smile.com/quotes/friedrich-nietzsche/it-is-no-doubt-possible-to-fly-but-first-you-must-know-how-to-dance/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/342/friedrich-nietzsche-15_angel_it-is-no-doubt-possible-to-fly-but-first_1236460.jpg)

> [Madness is not a consequence of uncertainty but of certainty.](https://sms4smile.com/quotes/friedrich-nietzsche/madness-is-not-a-consequence-of-uncertainty-but-of-certainty/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/726/friedrich-nietzsche-15_certainty_madness-is-not-a-consequence-of-uncertai_1640388.jpg)

> [A vocation makes us unthinking; that is its greatest blessing. For it is a bulwark behind which we are permitted to withdraw…](https://sms4smile.com/quotes/friedrich-nietzsche/a-vocation-makes-us-unthinking-that-is-its-greatest-blessing-for-it/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

[Image](https://sms4smile.com/quotes/i/647/friedrich-nietzsche-15_behinds_a-vocation-makes-us-unthinking-that-is-i_1143973.jpg)

## Other authors on Doubt

- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b005/author-bertrand-russell-17477.jpg) Bertrand Russell 45 quotes ](https://sms4smile.com/quotes/about/doubt/bertrand-russell/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b005/author-barack-obama-16275.jpg) Barack Obama 33 quotes ](https://sms4smile.com/quotes/about/doubt/barack-obama/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b020/author-richard-p-feynman-78819.jpg) Richard P. Feynman 30 quotes ](https://sms4smile.com/quotes/about/doubt/richard-p-feynman/)
- [Lailah Gifty Akita 30 quotes](https://sms4smile.com/quotes/about/doubt/lailah-gifty-akita/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b011/author-henry-david-thoreau-41473.jpg) Henry David Thoreau 24 quotes ](https://sms4smile.com/quotes/about/doubt/henry-david-thoreau/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b024/author-william-shakespeare-95899.jpg) William Shakespeare 23 quotes ](https://sms4smile.com/quotes/about/doubt/william-shakespeare/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b023/author-terry-mark-89514.jpg) Terry Mark 23 quotes ](https://sms4smile.com/quotes/about/doubt/terry-mark/)
- [Mark Twain 23 quotes](https://sms4smile.com/quotes/about/doubt/mark-twain/)
- [Ralph Waldo Emerson 22 quotes](https://sms4smile.com/quotes/about/doubt/ralph-waldo-emerson/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b021/author-rush-limbaugh-81741.jpg) Rush Limbaugh 21 quotes ](https://sms4smile.com/quotes/about/doubt/rush-limbaugh/)
- [Bangambiki Habyarimana 21 quotes](https://sms4smile.com/quotes/about/doubt/bangambiki-habyarimana/)
- [ ![](https://sms4smile.com/quotes/wp-content/uploads/sms4s/authors/processed/b019/author-oscar-wilde-72846.jpg) Oscar Wilde 20 quotes ](https://sms4smile.com/quotes/about/doubt/oscar-wilde/)

## More by Friedrich Nietzsche

> [Animals know nothing of themselves, and they also know nothing of the world.](https://sms4smile.com/quotes/friedrich-nietzsche/animals-know-nothing-of-themselves-and-they-also-know-nothing-of-the/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“Every select man strives instinctively for a citadel and a privacy, where he is FREE from the crowd, the many, the majority-- where he…](https://sms4smile.com/quotes/friedrich-nietzsche/every-select-man-strives-instinctively-for-a-citadel-and-a-privacy/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“It breaks my heart. Better than your words, your eye tells me all your peril. You are not yet free, you still search for…](https://sms4smile.com/quotes/friedrich-nietzsche/it-breaks-my-heart-better-than-your-words-your-eye-tells-me-all-your/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“79. A soul which knows that it is loved, but does not itself love, betrays its sediment: its dregs come up.”](https://sms4smile.com/quotes/friedrich-nietzsche/79-a-soul-which-knows-that-it-is-loved-but-does-not-itself-love/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [We deceive ourselves when giving respect to the person for whom we have surrendered ourselves, when we respectively expect them to be as we…](https://sms4smile.com/quotes/friedrich-nietzsche/we-deceive-ourselves-when-giving-respect-to-the-person-for-whom-we/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“The great periods of our life occur when we gain the courage to rechristen what is bad about us as what is best.”](https://sms4smile.com/quotes/friedrich-nietzsche/the-great-periods-of-our-life-occur-when-we-gain-the-courage-to/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“What is life? Life - that is: continually shedding something that wants to die. Life - that is: being cruel and inexorable against everything…](https://sms4smile.com/quotes/friedrich-nietzsche/what-is-life-life-that-is-continually-shedding-something-that-wants/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [It is thus only this personal feeling of misery that we get rid of by acts of pity.](https://sms4smile.com/quotes/friedrich-nietzsche/it-is-thus-only-this-personal-feeling-of-misery-that-we-get-rid-of-by/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“Writers whose thoughts are expressed with clarity and precision are assumed by readers to be superficial. Where the meaning is obscured, then readers give…](https://sms4smile.com/quotes/friedrich-nietzsche/writers-whose-thoughts-are-expressed-with-clarity-and-precision-are/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“he does not wear a twitching, mobile, human face, but rather a mask, as it were, with its features in dignified equilibrium; he does…](https://sms4smile.com/quotes/friedrich-nietzsche/he-does-not-wear-a-twitching-mobile-human-face-but-rather-a-mask-as/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [Chastity is a virtue with some, but with many it is almost a vice.](https://sms4smile.com/quotes/friedrich-nietzsche/chastity-is-a-virtue-with-some-but-with-many-it-is-almost-a-vice/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [The earth is like the breasts of a woman: useful as well as pleasing.](https://sms4smile.com/quotes/friedrich-nietzsche/the-earth-is-like-the-breasts-of-a-woman-useful-as-well-as-pleasing/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [“Of all that is written I love only what a man has written in his own blood.”](https://sms4smile.com/quotes/friedrich-nietzsche/of-all-that-is-written-i-love-only-what-a-man-has-written-in-his-own/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [No shepherd and one herd! Everybody wants the same, everybody is the same: whoever feels different goes voluntarily into a madhouse.](https://sms4smile.com/quotes/friedrich-nietzsche/no-shepherd-and-one-herd-everybody-wants-the-same-everybody-is-the/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

> [Pain makes hens and poets cackle.](https://sms4smile.com/quotes/friedrich-nietzsche/pain-makes-hens-and-poets-cackle/)

[Friedrich Nietzsche](https://sms4smile.com/quotes/author/friedrich-nietzsche/)

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                        "text": "One should not be deceived: great spirits are skeptics ... Strength, FREEDOM which is born of the strength and overstrength of the spirit, proves itself by skepticism. Men of conviction are not worthy of the least consideration in fundamental questions of value and disvalue. Convictions are prisons.",
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                        "text": "Christianity has done its utmost to close the circle and declared even doubt to be sin. One is supposed to be cast into belief without reason, by a miracle, and from then on to swim in it as in the brightest and least ambiguous of elements: even a glance towards land, even the thought that one perhaps exists for something else as well as swimming, even the slightest impulse of our amphibious nature",
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                        "text": "Historical refutation as the definitive refutation.- In former times, one sought to prove that there is no God - today one indicates how the belief that there is a God arose and how this belief acquired its weight and importance: a counter-proof that there is no God thereby becomes superfluous.- When in former times one had refuted the 'proofs of the existence of God' put forward, there always remained the doubt whether better proofs might not be adduced than those just refuted: in those days atheists did not know how to make a clean sweep.",
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                        "text": "It is only great pain--that slow, sustained pain that takes its time, in which we are, as it were, burned with smoldering green firewood--that forces us philosophers to sink to our ultimate profundity and to do away with all the trust, everything good-natured, veil-imposing, mild and middling, on which we may have previously based our humanity. I doubt that such a pain makes us 'better'--but I know that it makes us deeper.",
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                        "text": "“Doubt as sin. — Christianity has done its utmost to close the circle and declared even doubt to be sin. One is supposed to be cast into belief without reason, by a miracle, and from then on to swim in it as in the brightest and least ambiguous of elements: even a glance towards land, even the thought that one perhaps exists for something else as well as swimming, even the slightest impulse of our amphibious nature — is sin! And notice that all this means that the foundation of belief and all reflection on its origin is likewise excluded as sinful. What is wanted are blindness and intoxication and an eternal song over the waves in which reason has drowned.”",
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                        "text": "It is no doubt possible to fly--but first you must know how to dance like an angel.",
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                        "text": "A vocation makes us unthinking; that is its greatest blessing. For it is a bulwark behind which we are permitted to withdraw whencommonplace doubts and cares assail us.",
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