“The only true wisdom is in knowing you know nothing.”

“True knowledge exists in knowing that you know nothing.”

“I only know that I know nothing”

“One thing only I know, and that is that I know nothing.”

“To know thyself is the beginning of wisdom.”

“For the fear of death is indeed the pretense of wisdom, and not real wisdom, being a pretense of knowing the unknown; and no one know whether death, which men in their fear apprehend to be the greatest evil, may not be the greatest good. Is not this ignorance of a disgraceful sort, the ignorance which is the conceit that a man knows that he does not know? And in this respect only I believe myself to differ from men in general, and may perhaps claim to be wiser than they are: that whereas I know but little of the world below, I do not suppose that I know...”

“And in knowing that you know nothing makes you the smartest of all.”