Thematic Bible: Who became vain

Therefore, I tell you and insist on in the Lord not to live any longer like the gentiles live, thinking worthless thoughts. They are darkened in their understanding and separated from the life of God because of their ignorance and hardness of heart. Since they have lost all sense of shame, they have abandoned themselves to sensuality and practice every kind of sexual perversion without restraint.

For God's wrath is being revealed from heaven against all the ungodliness and wickedness of those who in their wickedness suppress the truth. For what can be known about God is plain to them, because God himself has made it plain to them. For since the creation of the world God's invisible attributes his eternal power and divine nature have been understood and observed by what he made, so that people are without excuse. read more.
For although they knew God, they neither glorified him as God nor gave thanks to him. Instead, their thoughts turned to worthless things, and their senseless hearts were darkened. Though claiming to be wise, they became fools and exchanged the glory of the immortal God for images that looked like mortal human beings, birds, four-footed animals, and reptiles.