Doubt quotes

Doubt

3.1K quotes on this topic — from poets, philosophers, and thinkers across history.

3.1K quotes

Explore further

Browse quotes that often appear alongside doubt — connected by shared ideas and recurring themes.

Quote collection

Doubt quotes (page 25 of 154)

Follow a thought to its author, or read the full quote page.

Thomas Huxley Biologist, Anthropologist
Doubt

"Give unqualified assent to no propositions but those the truth of which is so clear and distinct that they cannot be doubted. The enunciation of this first great commandment of science consecrated doubt."

Read quote 6 likes
Tim Ferriss Author, Entrepreneur, Podcaster
Doubt

"Lacking an external focus, the mind turns inward on itself and creates problems to solve, even if the problems are undefined or unimportant. If you find a focus, an ambitious goal that seems impossible and forces you to grow, these doubts disappear."

Read quote 6 likes
Timothy Keller Pastor, Author
Doubt

"While we want doubts to give way to faith, we should be merciful and patient with those who are still in a doubt-troubled place."

Read quote 6 likes
Timothy Keller Pastor, Author
Doubt

"Believers should acknowledge and wrestle with doubts... It is no longer sufficient to hold beliefs just because you inherited them."

Read quote 6 likes
Richard Bach Author
Doubt

"Passionately obsessed by anything we love - an avalanche of magic flattens the way ahead, levels, rules, reasons, dissents, bears us with it over chasms, fears, doubts. Without the power of that love."

Read quote 6 likes
Sheena Iyengar Psychologist
Doubt

"Most of the time you should use reason, there is no doubt about that because gut often makes us susceptible to lots of different biases, particularly if what you're deciding is something that you really, that expertise can be brought to bear on it, there is a way in which you can align the odds, so then you should really use reason."

Read quote 6 likes
Richard P. Feynman Physicist
Doubt

"When a scientist doesn't know the answer to a problem, he is ignorant. When he has a hunch as to what the result is, he is uncertain. And when he is pretty darn sure of what the result is going to be, he is in some doubt."

Read quote 6 likes
Simone de Beauvoir Philosopher, Writer
Doubt

"Every time I start on a new book, I am a beginner again. I doubt myself, I grow discouraged, all the work accomplished in the past is as though it never was, my first drafts are so shapeless that it seems impossible to go on with the attempt at all, right up until the moment - always imperceptible, there, too, there is a break - when it is has become impossible not to finish it."

Read quote 6 likes
Robert Browning Poet, Playwright
Doubt

"You call for faith: I show you doubt, to prove that faith exists. The more of doubt, the stronger faith, I say, If faith o'ercomes doubt."

Read quote 6 likes
Spencer Abraham Politician
Doubt

"Scholars and historians have dubbed the last 100 years the American Century, and I think there can be little doubt that the Council on Foreign Relations helped to make it so."

Read quote 6 likes
Sri Chinmoy Spiritual Teacher, Poet, Musician
Doubt

"To come back to the secret of inner peace, our questioning and doubting mind is always wanting in peace. Our loving and dedicated heart is always flooded with inner peace."

Read quote 6 likes
Stephen Hawking Theoretical Physicist
Doubt

"I’m the archetype of a disabled genius, or should I say a physically challenged genius, to be politically correct. At least I’m obviously physically challenged. Whether I’m a genius is more open to doubt."

Read quote 6 likes
Sun Tzu Military Strategist
Doubt

"Hence the saying: If you know the enemy and you know yourself, your victory will not stand in doubt; if you now Heaven and you know Earth, you may make your victory complete."

Read quote 6 likes
Octavia Butler Author, Novelist
Doubt

"Positive obsession is about not being able to stop just because you're afraid and full of doubts. Positive obsession is dangerous. It's about not being able to stop at all."

Read quote 6 likes
H. G. Wells Writer
Doubt

"I went over the heads of the things a man reckons desirable. No doubt invisibility made it possible to get them, but it made it impossible to enjoy them when they are got."

Read quote 6 likes