5 For nothing is worse than arrogance. This even takes men out of their natural senses, and brings upon them the character of fools; or rather, it really makes them to be utterly like idiots.
For like as, if any one, being three cubits in stature, were to strive to be higher than the mountains, or actually to think it, and draw himself up, as overpassing their summits, we should seek no other proof of his being out of his senses; so also when you see a man arrogant, and thinking himself superior to all, and accounting it a degradation to live with other people, seek not thou after that to see any other proof of that man's madness. Why, he is much more ridiculous than any natural fool, inasmuch as he absolutely creates this his disease on purpose. And not in this only is he wretched, but because he does without feeling it fall into the very gulf of wickedness.
For when will such an one come to due knowledge of any sin? When will he perceive that he is offending? Nay, rather he is as a vile and captive slave, whom the devil having caught goes off with, and makes him altogether a prey, buffetting him on every side, and encompassing him with ten thousand insults.
For unto such great folly does he lead them in the end, as to get them to be haughty towards their children, and wives, and towards their own forefathers. And others, on the contrary, He causes to be puffed up by the distinction of their ancestors. Now, what can be more foolish than this? When from opposite causes people are alike puffed up, the one sort because they had mean persons for fathers, grandfathers, and ancestors; and the other because theirs were glorious and distinguished? How then may one abate in each case the swelling sore? By saying to these last, “Go farther back than your grandfather, and immediate ancestors, and you will find perchance many cooks, and drivers of asses, and shopkeepers:” but to the former, that are puffed up by the meanness of their forefathers, the contrary again; “And thou again, if you proceed farther up among your forefathers, wilt find many far more illustrious than you are.”
For that nature has this course, come let me prove it to you even from the Scriptures. Solomon was son of a king, and of an illustrious king, but that king's father was one of the vile and ignoble. And his grandfather on his mother's side in like manner; for else he would not have given his daughter to a mere soldier. And if you were to go up again higher from these mean persons, you will see the race more illustrious and royal. So in Saul's case too, so in many others also, one shall come to this result. Let us not then pride ourselves herein. For what is birth? Tell me. Nothing, but a name only without a substance; and this you will know in that day. But because that day is not yet come, let us now even from the things present persuade you, that hence arises no superiority. For should war overtake us, should famine, should anything else, all these inflated conceits of noble birth are put to the proof: should disease, should pestilence come upon us, it knows not how to distinguish between the rich and the poor, the glorious and inglorious, the high born and him that is not such; neither does death, nor the other reverses of fortune, but they all rise up alike against all; and if I may say something that is even marvellous, against the rich more of the two. For by how much they are less exercised in these things, so much the more do they perish, when overtaken by them. And the fear too is greater with the rich. For none so tremble at princes as they; and at multitudes, not less than at princes, yea rather much more; many such houses in fact have been subverted alike by the wrath of multitudes and the threatening of princes. But the poor man is exempt from both these kinds of troubled waters.
Source: Homilies on the Gospel of St. Matthew (New Advent)