If you do not know what you want, it is a certainty you…

I can't just put myself out on a limb anymore, I don't want to take risks anymore, I want certainty.

— Anonymous

What makes you so certain?" "But I am not certain," I told him. "Nothing is certain. You want certainty?" "Yes!" "Then you want death.

— Stephen R. Lawhead

“I think we can do it." "But you don't know for sure," he said. "No." "Geez, Anita." "Don't get rattled on me. We can…

— Laurell K. Hamilton

As a businessman, I know that businesses need certainty.

— Bill Foster

Always quit for the day when you know what you want to do next.

— Ernest Hemingway

That which is true must always remain true, though the applications may change greatly from generation to generation. It is the absence of such…

— Anonymous

I believe that we do not know anything for certain, but everything probably.

— Christiaan Huygens

Living by faith isn't living with certainty. It's trusting God in spite of unanswered questions and unresolved doubts.

— Rick Warren

“In this world, what is here is not necessarily here, and what is now may not really be now: place and time are malleable,…

— Amir Aczel

“Though what could anyone really say these days with one hundred percent certainty?”

— Garth Risk Hallberg

Go for broke. Always try and do too much. Dispense with safety nets. Take a deep breath before you begin talking. Aim for the…

— Salman Rushdie

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

— John Allen Paulos

Criticism, though dignified from the earliest ages by the labours of men eminent for knowledge and sagacity, has not yet attained the certainty and…

— Samuel Johnson

[I]f in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge…

— Roger Bacon

Of course I doubt. I do not practice a certainty. I practice a faith.

— Robert Breault