Assumption Quote by Stephen Fry

It is wise to be sure, but otherwise to be too sure.

— Sophie Irene Loeb

If you think like others, how can you be sure you're thinking at all?

— Anonymous

When you can't be sure of anything else in this crapped- on world, you have to be sure of yourself.

— Larissa Ione

I have to be sure of myself - in a conditional way, always being open to the possibility that I'm wrong.

— Duncan Green

How easy it is to think well of ourselves. Until the moment is upon us, we can never be certain.

— Lloyd Alexander

I often sit back and say, 'Be sure about what I believe.'

— Ginni Rometty

You should never doubt what no one is sure about

— Willy Wonka

I can doubt everything, except one thing, and that is the very fact that I doubt. Simply put - I think, therefore I am

— Rene Descartes

In my life, the only certainty is to be uncertain. I'm an unbeliever who believes in skepticism. I'm only sure about being unsure.

— Christopher Hitchens

You should never, never doubt something that no one is sure of.

— Roald Dahl

The biggest thing I've learned is just to not doubt myself as much as I do. Having self-doubt is definitely necessary, but it's about…

— Rick Hoffman

I don't believe anyone ever suspects how completely unsure I am of my work and myself and what tortures of self-doubting the doubt of…

— Tennessee Williams