The only thing I know is that I know nothing

A free soul ought not to pursue any study slavishly, for nothing that is learned under compulsion stays with the mind.

True knowledge exists in knowing that you know nothing. And in knowing that you know nothing, that makes you the smartest of all.

Whoever would have his body supple, easy and healthful should learn to dance.

I love to go and see all the things I am happy without.

Men of Athens, I honor and love you; but I shall obey God rather than you, and while I have life and strength I shall never cease from the practice and teaching of philosophy.

I only know that I know nothing