Uncertainty Sayings and Quotes

Below you will find our collection of inspirational, wise, and humorous old uncertainty quotes, uncertainty sayings, and uncertainty proverbs, collected over the years from a variety of sources.

Who knows whether the gods will add tomorrow to the present hour?     


All human things hang on a slender thread, the strongest fall with a sudden crash.     


This I ever held worse that all certitude, To know not what the worst ahead might be.     

Algernon Charles Swinburne

When the mind is in a state of Uncertainty the smallest impulse directs it to either side     


Maturity of mind is the capacity to endure Uncertainty.     

John Finley

Have you heard that it was good to gain the day? I also say it is good to fall, battles are lost in the same spirit in which they are won.     

Walt Whitman

If life were predictable it would cease to be life, and be without flavor.     

Eleanor Roosevelt

Everything in life is luck.     

Donald Trump

Money takes wings. The only thing that endures is character.     

O. J. Simpson

Doubt, of whatever kind, can be ended by action alone.     

Thomas Carlyle

It's not a terrible thing that we feel fear when faced with the unknown. It is part of being alive, something we all share.     

Pema Chodron

Madness is the result not of uncertainty but of certainty.     

Friedrich Nietzsche

The trouble with the world is that the stupid are so confident while the intelligent are full of doubt.     

Bertrand Russell

The beginning of knowledge is the discovery of something we do not understand.     

Frank Herbert

Only do what your heart tells you.     

Princess Diana

For my part I know nothing with any certainty, but the sight of the stars makes me dream.     

Vincent Van Gogh

Uncertainty is the only certainty there is, and knowing how to live with insecurity is the only security.     

John Allen Paulos

Uncertainty and mystery are energies of life. Don't let them scare you unduly, for they keep boredom at bay and spark creativity.     

R. I. Fitzhenry

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.     

Ursula K. Leguin

The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.     

Erich Fromm

There are years that ask questions and years that answer.     

Zora Neale Hurston

Faith means living with uncertainty - feeling your way through life, letting your heart guide you like a lantern in the dark.     

Dan Millman

One doesn't discover new lands without consenting to lose sight of the shore for a very long time.     

Andre Gide

The quality of your life is in direct proportion to the amount of uncertainty you can comfortably deal with.     

Tony Robbins

Uncertainty and expectation are the joys of life. Security is an insipid thing, though the overtaking and possessing of a wish discovers the folly of the chase.     

William Congreve

The longing for certainty ... is in every human mind. But certainty is generally illusion.     

Oliver Wendell Holmes

When one admits that nothing is certain one must, I think, also add that some things are more nearly certain than others.     

Bertrand Russell

If we insist on being as sure as is conceivable... we must be content to creep along the ground, and can never soar.     

John Henry Cardinal Newman

I can live with doubt and uncertainty. I think it's much more interesting to live not knowing than to have answers which might be wrong.     

Richard P. Feynman

The future is uncertain but this uncertainty is at the very heart of human creativity.     

Ilya Prigogine