3 Bible Verses about Boasting, Foolish

Let no one deceive you in any manner; because that day will not come, unless the falling away come first, and the man of lawlessness be revealed??he son of perdition; he that opposes himself against, and exalts himself above, all that is called God, or that is worshiped; so that he sits in the temple of God, exhibiting himself as God.

These are fountains without water, and mists driven by a storm, for whom the blackness of darkness has been reserved. For, uttering great swelling words of vanity, they entice, in desires of the flesh, by their lasciviousness, those just escaping from those who live in error;

But a certain man, Simon by name, was in the city before, using sorcery, and astonishing the nation of Samaria, affirming himself to be some great one; to whom all were giving heed, from small to great, saying, "This man is the power of God, which is called Great."