4 But how shall a man find grace with God? How else, except by lowliness of mind? For God, says one, “resists the proud, but gives grace unto the humble; and, the sacrifice of God is a broken spirit, and a heart that is brought low God will not despise.” For if with men humility is so lovely, much more with God. Thus both they of the Gentiles found grace and the Jews no other way fell from grace; “for they were not subject unto the righteousness of God.” The lowly man of whom I am speaking, is pleasing and delightful to all men, and dwells in continual peace, and has in him no ground for contentions.
For though you insult him, though you abuse him, whatsoever you say, he will be silent and will bear it meekly, and will have so great peace towards all men as one cannot even describe. Yea, and with God also. For the commandments of God are to be at peace with men: and thus our whole life is made prosperous, through peace one with another. For no man can injure God: His nature is imperishable, and above all suffering. Nothing makes the Christian so admirable as lowliness of mind.
Hear, for instance, Abraham saying, “But I am but dust and ashes;” and again, God [saying] of Moses, that “he was the meekest of all men.” For nothing was ever more humble than he; who, being leader of so great a people, and having overwhelmed in the sea the king and the host of all the Egyptians, as if they had been flies; and having wrought so many wonders both in Egypt and by the Red Sea and in the wilderness, and received such high testimony, yet felt exactly as if he had been an ordinary person, and as a son-in-law was humbler than his father-in-law, and took advice from him, and was not indignant, nor did he say, “What is this?
After such and so great achievements, are you come to us with your counsel?” This is what most people feel; though a man bring the best advice, despising it, because of the lowliness of the person. But not so did he: rather through lowliness of mind he wrought all things well. Hence also he despised the courts of kings, since he was lowly indeed: for the sound mind and the high spirit are the fruit of humility. For of how great nobleness and magnanimity, do you think, was it a token, to despise the kingly palace and table?
Since kings among the Egyptians are honored as gods, and enjoy wealth and treasures inexhaustible. But nevertheless, letting go all these and throwing away the very sceptres of Egypt, he hastened to join himself unto captives, and men worn down with toil, whose strength was spent in the clay and the making of bricks, men whom his own slaves abhorred, (for, says he ἐβδελύσσοντο, Septuagint. Exodus 1:2 “The Egyptians abhorred them;”) unto these he ran and preferred them before their masters. From whence it is plain, that whoso is lowly, the same is high and great of soul. For pride comes from an ordinary mind and an ignoble spirit, but moderation, from greatness of mind and a lofty soul.
Source: Homilies on First Corinthians (New Advent)