"Men seek retreats for themselves, houses in the country, sea-shores, and mountains; and thou too art wont to desire such things very much. But all this is very unphilosophical, when thou canst, at any moment, retire into thyself."
"You have power over your mind - not outside events. Realize this, and you will find strength."
"The impediment to action advances action. What stands in the way becomes the way."
"You could leave life right now. Let that determine what you do and say and think."
"Waste no more time arguing what a good man should be. Be one."