"What does not transmit light creates darkness."

"Suffering arises from trying to control what is uncontrollable, or from neglecting what is within our power."

"A man's master is he who has power over what the man wishes or does not wish, to secure or to take away."

"Know, first, who you are, and then adorn yourself accordingly."

"When you have decided that a thing is good, and you cling to it, and you are not disturbed by it, then you have found your true good."