I was afraid that by observing objects with my eyes and trying to comprehend them with each of my other senses I might blind my soul altogether.

I am wiser than this man, for neither of us appears to know anything great and good; but he fancies he knows something, although he knows nothing; whereas I, as I do not know anything, so I do not fancy I do. In this trifling particular, then, I appear to be wiser than he, because I do not fancy I know what I do not know.

I know that I know nothing.

To know thyself is the beginning of wisdom.

When a woman is allowed to become a man's equal, she becomes his superior.

We are what we think we are

Not life, but good life, is to be chiefly valued." "It is not living that matters, but living rightly. The unexamined life is not worth living.