Augustine of Hippo

It is simply not to be credited that holy Scripture is concerned to advise us on these riches which the proud get such swollen heads about. I mean these visible, earthly riches, of course, as though we should either think they are very important or fear not to have them. …

Sermon 36:1-2, 5 ↗

Bede

"There is one who makes himself rich, yet has nothing," etc. He seemed rich to himself who was clothed in purple and fine linen and feasted sumptuously every day; but because he did not have God, he found in the end that nothing of what he had possessed existed. Hence it is said about such people, "They have slept their sleep, and none of the men of wealth found anything in their hands" (Psalm 75). …

Commentary on Proverbs ↗

John Cassian

And in these allusions and inconveniences all that are at all weak are sure to be entangled, as while they are even doubtful of their own salvation, and themselves stand in need of the teaching and instruction of others, they are incited by the devil's tricks to convert and guide others, and as, even if they succeed in gaining any advantage from the conversion of some, they waste by their impatience and rude manners whatever they have gained. …

Conference 24:13 ↗