"But it there’s anything I’ve learned in the past few months, it’s that the only thing that’s certain in life is that nothing in life is certain." ~ Carolyn Mackler, Love and Other Four-Letter Words
I don't like quintessential certitude. ~ Louise Bogan
No great deed, private or public, has ever been undertaken in a bliss of certainty. ~ Leon Wieseltier
The only time a dead certainty applies is in a dream world. ~ Tommy Franks
The minute one utters a certainty, the opposite comes to mind. ~ May Sarton
One certainty we all accept is the condition of being uncertain and insecure. ~ Doris Lessing
The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers. ~ Erich Fromm
This kind of certainty comes but just once in a lifetime! ~ Robert James Waller
What can we say with certainty? ~ François Voltaire
I’m often wrong, but never in doubt. ~ Ivy Baker Priest
When nothing is sure, everything is possible. ~ Margaret Drabble