John Chrysostom

But this glory they invested stocks and stones with. As then he which is entrusted with the goods of the king, and is ordered to spend them upon the king's glory, if he waste these upon robbers, and harlots, and witches, and make these splendid out of the king's stores, he is punished as having done the kingdom the greatest wrong. …

Homily on Romans 3 ↗

Lucius Caecilius Firmianus Lactantius

But (as I have said) pardon may be granted to those who are ignorant and do not own themselves to be wise; but it cannot be extended to those who, while they profess wisdom, rather exhibit folly. I am not, indeed, so unjust as to imagine that they could divine, so that they might find out the truth by themselves; for I acknowledge that this is impossible. But I require from them that which they were able to perform by reason itself. …

The Divine Institutes Book 2, Chapter III ↗

Thomas Aquinas

Then when he says because that which is known of God, he manifests what he has said, but in reverse order. For he first admits that wise men among the gentiles knew the truth about God; second, he shows that there was ungodliness and injustice among them, at so that they are inexcusable; third, that they have incurred God's wrath, at who, having known the justice of God (Rom 1:32). In regard to the first he does three things. …

Commentary on Romans ↗

Bonaventure

Although God is simple and uniform in himself, nevertheless in a certain way he is hidden and in a certain way is manifest, as the Apostle intimates in Romans 1: What is known of God is manifest in them. For to some the trinity of appropriated attributes is manifest, to whom the trinity of persons is not manifest; and to someone the unity of essence is manifest, to whom the trinity of appropriated attributes is not manifest; and to someone the very trinity of God is manifest, to whom the very unity of essence is not manifest. …

Disputed Questions on the Mystery of the Trinity, Question 1 ↗