He said that there was one only good, namely, knowledge; and one only evil, namely, ignorance.

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.

You don't know what you don't know.

In every person there is a sun. Just let them shine.

The cure of many diseases remains unknown to the physicians of Hellos (Greece) because they do not study the whole person.

The greatest blessing granted to mankind come by way of madness, which is a divine gift.

Marry or marry not, in any either case you'll regret it