...Every affliction that befalls us, whether from men, from the demons, or from our very own nature, always has enclosed within it the corresponding profit. And whoever passes through it with patience receives the payment: its pledge here and its fulfillment there.
Without temptations, pure souls not known, virtue does not show, patience is not discernible. Without temptations, it is impossible for the soul to become healthy. They are the cleansing fire which makes the soul pure and bright.