"There is only one good, knowledge, and one evil, ignorance."

"And do you think, you fool, that kisses of love are not venomous, because you perceive not the poison? Know that a beautiful person is a more dangerous animal than scorpions, because these cannot woun…"

"I shall obey God rather than you, and while I have life and strength I shall never cease to practice philosophy..."

"From poets, I moved to artists. No one was more ignorant about the arts than I; no one was more convinced that artists possessed really beautiful secrets. However, I noticed that their condition was n…"

"The more I know, the more I realize I know nothing."