Always Quote by Adam Conover

I could be wrong. Not being certain is what being a philosopher is all about.

— Terry Pratchett

I do think it's important not to be absolutely sure, so sure that you can't reinvent yourself in some way, or at least rediscover…

— Stephen Fry

Philosophy, though unable to tell us with certainty what is the true answer to the doubts which it raises, is able to suggest many…

— Bertrand Russell

Philosophy goes no further than probabilities, and in every assertion keeps a doubt in reserve.

— James Anthony Froude

My personal philosophy is, you can be sure of nothing.

— Robert M. Parker, Jr

There are moments in life where the question of knowing whether one might think otherwise than one thinks and perceive otherwise than one sees…

— Michel Foucault

To be absolutely certain about something, one must know everything or nothing about it.

— Anonymous

Philosophy is doubt

— Michel De Montaigne

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

In formulating any philosophy the first consideration must always be: What can we know? That is, what can we be sure we know, or…

— Woody Allen

There are times I think I am not sure of something which I absolutely know.

— Mongkut

We know nothing. And just because you know something to be true at this moment in your life or you feel that it is…

— Matisyahu