“Knowing others is wisdom, knowing yourself is Enlightenment.”

“Knowing yourself is the beginning of all wisdom.”

“He who knows others is wise. He who knows himself is enlightened.”

“When you have wisdom that another person knows that he needs, you give it freely. But when the other person doesn't yet know that he needs your wisdom you keep it to yourself. Food only looks good to a hungry man.”

“When you are a child you are yourself and you know and see everything prophetically. And then suddenly something happens and you stop being yourself; you become what others force you to be. You lose your wisdom and your soul.”

“Knowing yourself lets you understand others.”

“You need to know things the others don't know. It's what no one knows about you that allows you to know yourself.”

“To know and love one other human being is the root of all wisdom.”

“Reputation is what other people know about you. Honor is what you know about yourself.”

“To know oneself means, among other things, to know oneself qua non-sage: that is, not as a sophos, but as a philo-sophos, someone on the way toward wisdom.”