When nothing is for sure, we remain alert, perennially on our toes. It is more exciting not to know which bush the rabbit is hiding behind than to behave as though we knew everything.
—Carlos Castaneda
When in doubt, make a fool of yourself. There is a microscopically thin line between being brilliantly creative and acting like the most gigantic idiot on earth. So what the hell, leap.
—Cynthia Heimel
It is better to know some of the questions than all of the answers.
—James Thurber
Getting a living under capitalism… is so precarious, so uncertain, fraught with such pain and struggle that the wonder is not that so many people become vicious and criminal, but that so many remain in docile submission to such a tyrannous and debasing condition.
—Eugene V. Debs
Doubt 'til thou canst doubt no more… doubt is thought and thought is life. Systems which end doubt are devices for drugging thought.
—Albert Guerard
A mind troubled by doubt cannot focus on the course to victory.
—Arthur Golden
I think we ought always to entertain our opinions with some measure of doubt. I shouldn't wish people dogmatically to believe any philosophy, not even mine.
—Bertrand Russell
The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts.
—Bertrand Russell
Doubt whom you will, but never yourself.
—Christine Bovee
Just think of the tragedy of teaching children not to doubt.
—Clarence Darrow
Beliefs are what divide people. Doubt unites them.
—Peter Ustinov
If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.
—Rene Descartes
I show you doubt, to prove that faith exists.
—Robert Browning
To believe with certainty we must begin with doubting.
—Stanislaw Leszczynski
Doubt is not a pleasant condition, but certainty is absurd.
—Voltaire