What did Epictetus say about facing difficulties?

Epictetus opens Book I, Chapter 24 of his Discourses with a line that reframes hardship entirely: “It is difficulties that show what men are.” For a former slave who became one of Rome's most influential teachers, adversity was not an interruption of the good life but the arena in which character is revealed and forged. He develops the point with an athletic image: when a hard difficulty befalls you, remember that God, like a wrestling-trainer, has matched you with a rugged young sparring partner — “For what purpose? That you may become an Olympic victor; but it is not accomplished without sweat.” The struggle is the training, not an obstacle to it. This flows directly from Epictetus's core distinction between what is “up to us” and what is not. Circumstances — illness, loss, insult, a difficult person — are not in our control; our judgments and responses to them are. A difficulty, then, is a kind of exam question: it exposes whether we have actually learned to keep our reasoned choice (prohairesis) intact when things go wrong, or whether we only philosophize while comfortable. His counsel is neither to seek out suffering nor to flee it, but to treat each hard thing as an assigned exercise that shows — to yourself above all — who you have become. How Epictetus trains that response day by day runs throughout the Discourses.