Whoever then would be free, let him wish for nothing, let him decline nothing, which depends on others; else he must necessarily be a slave. - Epictetus

Whoever is going to listen to the philosophers needs a considerable practice in listening.

Wherever I go, I will be fine, because I was already fine here-not on account of the place but as a result of my principles, and I am going to take them with me. No one can take them away from me; they are my only possessions, irremovable ones that are enough for me wherever I am and whatever I do.

We must consider what is the time for singing, what the time for play, and in whose presence: what will be unsuited to the occasion; whether our companions are to despise us, or we to despise ourselves: when to jest, and whom to mock at: and on what occasion to be conciliatory and to whom: in a word, how one ought to maintain one's character in society. Wherever you swerve from any of these principles, you suffer loss at once; not loss from without, but issuing from the very act itself.