I am an agnostic; I do not pretend to know what many ignorant men are sure of.
— Clarence Darrow

There may be fairies at the bottom of the garden. There is no evidence for it, but you can't prove that there aren't any, so shouldn't we be agnostic with respect to fairies?
Richard Dawkins agnostics quote

No man can be an agnostic who has a sense of humour.
— E. M. Forster

You often don't know who you are until you see yourself in interaction - with people that are close to you, people that are enemies of you, people that are agnostic to you.
— Read Montague

I do not pretend to know where many ignorant men are sure - that is all that agnosticism means.
— Clarence Darrow