The Enchiridion by Epictetus

To accuse others for one's own misfortunes is a sign of want of education; to accuse oneself shows that one's education has begun; to accuse neither oneself nor others shows that one's education is complete

Sickness is a hindrance to the body, but not to the will, unless the will consent. Lameness is a hindrance to the leg, but not to the will. Say this to yourself at each event that happens, for you shall find that though it hinders something else it will not hinder you

So when any one makes you angry, know that it is your own thought that has angered you

And remember that if you abide where you are, those who first laugh at you will one day admire you, and that if you give way to them, you will get doubly laughed at

Talk, but rarely, if occasion calls you, but do not talk of ordinary things—of gladiators, or horse-races, or athletes, or of meats or drinks—these are topics that arise everywhere—but above all do not talk about men in blame or compliment or comparison. If you can, turn the conversation of your company by your talk to some fitting subject; but if you should chance to be isolated among strangers, be silent. Do not laugh much, nor at many things, nor without restraint

Avoid impurity to the utmost of your power before marriage, and if you indulge your passion, let it be done lawfully

In your conversation avoid frequent and disproportionate mention of your own doings or adventures; for other people do not take the same pleasure in hearing what has happened to you as you take in recounting your adventures

Avoid raising men's laughter; for it is a habit that easily slips into vulgarity, and it may well suffice to lessen your neighbour's respect

And when some one says to you, 'You know nothing', and you do not let it provoke you, then know that you are really on the right road. For sheep do not bring grass to their shepherds and show them how much they have eaten, but they digest their fodder and then produce it in the form of wool and milk. Do the same yourself; instead of displaying your principles to the multitude, show them the results of the principles you have digested

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