Tertullian

Let us strive, then, to bear the injuries that are inflicted by the evil one, that the struggle to maintain our self-control may put to shame the enemy's efforts. If, however, through imprudence or even of our own free will we draw down upon ourselves some misfortune, we should submit with equal patience to that which we impute to ourselves. But if we believe God strikes some blow of misfortune, to whom would it be better that we manifest patience than to our Lord? In fact, more than this, it befits us to rejoice at being deemed worthy of divine chastisement: "As for me," he says, "those whom I love I chastise." Blessed is that servant upon whose correction the Lord insists, at whom he deigns to be angry, whom he does not deceive by omitting his admonition!