"There are two ways of seeing: with the body and with the soul. The body's sight can sometimes forget, but the soul remembers forever."

"Learning does not make one learned: there are those who have knowledge and those who have understanding. The first requires memory and the second philosophy."

"A man who has no illusions is the most disillusioned of all."

"There is neither happiness nor misery in the world; there is only the comparison of one state with another, nothing more. He who has felt the deepest grief is best able to experience supreme happiness…"

"Ignorance is the mother of all evils."