Paul now returns to the subject of wisdom and warns the believers not to be deceived into thinking that the wisdom of this human age is sufficient for obtaining salvation and for building up the church of God. Rather, if some Christian thinks himself to be wise by this world’s standards, he must renounce dependence on this wisdom so that he may really receive God’s wisdom (v. 18).
I Self Deception is Destructive
II Self Deception is Detected
Paul reveals the futility of self-deception (1 Cor. 3:19–20). In the first place, God sees through the crafty man: “For the wisdom of this world is foolishness with God. For it is written, He taketh the wise in their own craftiness” (3:19). The quotation is from the book of Job (Job 5:13)
Paul supported this fact by quoting from Job 5:13 and Psalm 94:11. The members needed to see that the practice of boasting (1 Cor. 3:21) about ministers was similarly a self-centered spirit