" Epictetus tells us that “it is difficulties that reveal what men amount to; and so, whenever you’re struck by a difficulty, remember that God, like a trainer in the gymnasium, has matched you against a tough young opponent.” And why would God do such a thing? “So that you may become an Olympic victor; and that is something that can’t be achieved without sweat. "

― William B. Irvine , The Stoic Challenge: A Philosopher's Guide to Becoming Tougher, Calmer, and More Resilient