1 Corinthians 3:21

“Therefore let no man glory in men, etc.] The apostle means ministers, who are but men, even the best of them, and therefore not to be gloried in; and has chiefly respect to the false teachers, whose wisdom, learning, and eloquence, the Corinthians were greatly taken with, and boasted of; it was so ensnaring to them, that they even idolized them for it, called them their masters, pinned their faith on their sleeve, gave up themselves to them, and were greatly under their authority, influence, and direction, which is here condemned; and which was so far from being right, that they ought not to behave in such manner to the best of ministers, nor to glory in anyone above another; no, not in…”

“let no man glory in men--resuming the subject from Co1 3:4; compare Co1 1:12, Co1 1:31, where the true object of glorying is stated: "He that glorieth, let him glory in THE LORD." Also Co1 4:6, "That no one of you be puffed up for one against another." For all things--not only all men. For you to glory thus in men, is lowering yourselves from your high position as heirs of all things. All men (including your teachers) belong to Christ, and therefore to you, by your union with Him; He makes them and all things work together for your good (Rom 8:28). Ye are not for the sake of them, but they for the sake of you (Co2 4:5, Co2 4:15). They belong to you, not you to them.”

“Therefore ... - Paul here proceeds to apply the principles which he had stated above. Since all were ministers or servants of God; since God was the source of all good influences; since, whatever might be the pretensions to wisdom among people, it was all foolishness in the sight of God, the inference was clear, that no man should glory in man. They were all alike poor, frail, ignorant, erring, dependent beings. And hence, also, as all wisdom came from God, and as Christians partook Alike of the benefits of the instruction of the most eminent apostles, they ought to regard this as belonging to them in common, and not to form parties with these names at the head. Let no man glory in men; -…”

“Therefore - Upon the whole. Let none glory in men - So as to divide into parties on their account. For all things are yours - and we in particular. We are not your lords, but rather your servants. 1 Corinthians 3:22”

“3:21-23 As the privileged children of God, they may now lay claim to everything—the world, and life and death, and the present and the future (see Rom 8:38-39). So there is no point in claiming a particular human leader as their own.”

“glory: Co1 3:4-7, Co1 1:12-17, Co1 4:6; Jer 9:23, Jer 9:24 For: Rom 4:13, Rom 8:28, Rom 8:32; Co2 4:5, Co2 4:15; Rev 21:7 1 Corinthians 3:22”