3 Bible Verses about Boasting, Foolish

Let no one deceive you by any means. For it will not come until after the Great Apostasy, and the revealing of the Man of Sin, the son of perdition, the adversary, who opposes and exalts himself against all that is called God, or is an object of worship; so that he takes his seat in the Temple of God, and vaunts himself as God.

Such men are like waterless springs, or mists storm-driven; for them the blackness of darkness has been reserved. For speaking great swelling words of vanity, they entangle, by their lasciviousness, in the lusts of the flesh, those who are just about to escape from the men that live in misconduct.

Now for some time a man named Simon had been practicing sorcery in that city, and had amazed the people of Samaria. He gave himself out to be some great person. Many from all classes would give heed to him, declaring, "This man is the Power of God, known as the Great Power."