"It is in your power to withdraw yourself whenever you desire. Perfect tranquility is nothing more than the good ordering of the mind, the self-sufficiency which is within."

"Live out your life in peace, be silent, and be content with what is given you."

"Observe constantly that all things take place by change, and accustom thyself to consider that the nature of the Universe loves nothing so much as to change existing things and to make new things like…"

"Every soul, the philosopher says, is unwillingly deprived of truth."

"Consider how much more pain is brought on us by the anger and vexation caused by such acts than by the acts themselves, at which we are angry and vexed."