Quote by Marcus Aurelius
"Ambition means tying your well-being to what other people say or do. Sanity means tying it to your own actions."
More from Marcus Aurelius
"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."