Marcus Aurelius — "Receive wealth or prosperity without arrogance, and be ready to let it go."

"Do not disturb yourself by picturing your life as a whole; do not embrace in your imagination all the various troubles which are likely to befall you, but rather, at every accession of trouble, ask yo…"

"The true way to render ourselves happy is to love what we ought and not to hate what we ought not."

"The best revenge is to be unlike him who performed the injury."

"How many things are there of which I have gained a knowledge, not by the help of reason, but by experience!"

"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."