John Chrysostom

Next, he declares also the mode in which God took them, adding another testimony: "For the Lord," saith he, "knoweth the reasonings of men that they are vain." Now when the Wisdom which is boundless pronounces this edict concerning them, and declares them to be such, what other proof dost thou seek of their extreme folly? For men's judgments, it is true, in many instances fail; but the decree of God is unexceptionable and uncorrupt in every case.

Homily on 1 Corinthians 10 ↗

Theophylact of Ohrid

If the Lord knows that the reasonings of men are vain, because there is nothing necessary and salvific in them, then how is it that you, Corinthians, harbor thoughts contrary to God and occupy yourselves with them as though they were profitable!

Commentary on 1 Corinthians ↗

Thomas Aquinas

Secondly, he proves what he had said by citing two authorities: the first of these is from Jb (5:13); hence he says: He catches the wise in their own craftiness. Now the Lord catches the wise in their own craftiness, because when they lay crafty plans contrary to God, He frustrates them and fulfills His own plan. Thus, by the malice of Joseph's brothers attempting to prevent his ascendancy, it came to pass by divine providence that Joseph, after being sold, became a ruler in Egypt. …

Commentary on 1 Corinthians ↗