Romans 1:23-25
and exchanged the honor belonging to the immortal God for the statues of mortal men, and birds, and animals and reptiles.
1 Corinthians 5:1
It has actually been reported [to me] that there is a case of sexual immorality among you that is unheard of, even among the [unconverted] Gentiles. One of you is having sex with his stepmother.
Jude 1:4
For certain men have secretly infiltrated [your ranks]; they are men who had been written about long ago that they should be judged [and condemned] for perverting the unearned favor of our God into [a license for] living unrestrained, indecent lives, and who deny [the identity and work of] our only Master and Lord, Jesus Christ.