Thematic Bible: Who became vain

This, then, as one in union with the Lord, I say to you and urge upon you: Do not continue to live such purposeless lives as the Gentiles live, With their powers of discernment darkened, cut off from the Life of God, owing to the ignorance that prevails among them and to the hardness of their hearts. Lost to all sense of shame, they have abandoned themselves to licentiousness, in order to practice every kind of impurity without restraint.

So, too, there is a revelation from Heaven of the Divine Wrath against every form of ungodliness and wickedness on the part of those men who, by their wicked lives, are stifling the Truth. This is so, because what can be known about God is plain to them; for God himself has made it plain. For ever since the creation of the universe God's invisible attributes-his everlasting power and divinity-are to be seen and studied in his works, so that men have no excuse; read more.
Because, although they learned to know God, yet they did not offer him as God either praise or thanksgiving. Their speculations about him proved futile, and their undiscerning minds were darkened. Professing to be wise, they showed themselves fools; And they transformed the Glory of the immortal God into the likeness of mortal man, and of birds, and beasts, and reptiles.