William Butler Yeats
Poet, Playwright
"The best lack all conviction, while the worst are full of passionate intensity."
Doubt And Certainty quotes
Doubt And Certainty
3 quotes on this topic — from poets, philosophers, and thinkers across history.
Bertrand Russell
Philosopher, Mathematician
"Not to be absolutely certain is, I think, one of the essential things in rationality."
Anne Lamott
Author, Essayist
"The opposite of faith is not doubt, it’s certainty."
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Browse quotes that often appear alongside doubt and certainty — connected by shared ideas and recurring themes.