Ambrose of Milan : As a wrestler therefore he enters the lists last of all; he raises his eyes to heaven, he sees that even the heavenly creation was made subject to vanity, not willingly, but by reason of him who hath subjected the same in hope. He sees that the whole creation groaneth in pain together, waiting for redemption. He sees that labour awaits us all. He raises his eyes, he sees the circlets of lights, he surveys the orbs of the moon and stars: For the just, who overcome, shall be as the stars in heaven. And he chastises his body, that it may not be his enemy in the combat, he anoints it with the oil of mercy, he exercises it with daily trials of virtue, he smears himself with dust, he runs to the goal of the course but not as uncertainly, he aims his blows, he darts forth his arms, but not into empty space. Thus the earth is man's trial-ground, heaven is his crown. — Letter 49, 5-6 Ambrose of Milan : And so Paul, like a good athlete, not only knew how to avoid the blows of opposing powers, but also how to strike back. Therefore he says: I beat my body and make it my slave, so that after I have preached to others, I myself will not be disqualified for the prize. And so, like a good athlete, he deserved to reach the crown. — On Paradise, Chapter 12, 56 Ambrosiaster : Paul means that he fights not merely with his words but with his deeds. — COMMENTARY ON PAUL'S EPISTLES Jerome : So run in this world as to obtain in the next. — Against the Pelagians 1 John Chrysostom : "I therefore so run, as not uncertainly." Thus having shamed them from those that are without, he next brings forward himself also, which kind of thing is a most excellent method of teaching: and accordingly we find him every where doing so. But what is, "not uncertainly?" "Looking to some mark," saith he, "not at random and in vain, as ye do. For what profit have ye of entering into idol-temples, and exhibiting for-sooth that perfectness? None. But not such am I, but all things whatsoever I do, I do for the salvation of my neighbor. Whether I show forth perfectness, it is for their sake; or condescension, for their sake again: whether I surpass Peter in declining to receive [compensation], it is that they may not be offended; or descend lower than all, being circumcised and shaving my head, it is that they may not be subverted. This is, "not uncertainly." But thou, why dost thou eat in idol-temples, tell me? Nay, thou canst not assign any reasonable cause. For "meat commendeth thee not to God; neither if thou eat art thou the better, nor if thou eat not art thou the worse." Plainly then thou runnest at random: for this is, "uncertainly." "So fight I, as not beating the air." This he saith, again intimating that he acted not at random nor in vain. "For I have one at whom I may strike, i.e., the devil. But thou dost not strike him, but simply throwest away thy strength." Now so far then, altogether bearing with them, he thus speaks. For since he had dealt somewhat vehemently with them in the preceding part, he now on the contrary keeps back his rebuke, reserving for the end of the discourse the deep wound of all. Since here he says that they act at random and in vain; but afterwards signifies that it is at the risk of no less than utter ruin to their own soul, and that even apart from all injury to their brethren, neither are they themselves guiltless in daring so to act. — Homily on 1 Corinthians 23 Theodore of Mopsuestia : The "air" here refers to the powers of evil. — PAULINE COMMENTARY FROM THE GREEK CHURCH