Augustine of Hippo

We saw the martyr enduring immense tortures with the greatest patience: but his soul was submitted to God, for his patience was from Him. And lest human frailty, failing through impatience, deny Christ, and bring the enemy to joy, he knew to whom he should say: My God, deliver me from the hand of the sinner, from the hand of the lawbreaker and the wicked; for You are my patience. For thus, he who sang these things indicated how a Christian ought to ask for deliverance from the power of enemies, not by not suffering anything, but by enduring what he suffers most patiently. Deliver me from the hand of the sinner, from the hand of the lawbreaker and the wicked. But if you seek how he wishes to be delivered, consider what follows: for You are my patience. There is glorious suffering where there is a pious confession: so that, he who glories, may glory in the Lord. Therefore, let no one presume upon his own heart when he completes his speech: let no one rely on his strength when he endures temptation; because, for us to speak good things, our wisdom is from Him: for us to endure bad things, our patience is from Him. Therefore, it is ours to will, but we are called that we may will; it is ours to ask, but we do not know what to ask; it is ours to receive, but what shall we receive if we do not have? It is ours to have, but what do we have if we do not receive? Hence, he who glories should glory in the Lord.