Epictetus. (c.A.D. 50–c.A.D. 138). The Golden Sayings of Epictetus.
The Harvard Classics. 1909–14.
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What you shun enduring yourself, attempt not to impose on others. You shun slavery—beware of enslaving others! If you can endure to do that, one would think you had been once upon a time a slave yourself. For Vice has nothing in common with virtue, nor Freedom with slavery.