1 Corinthians 6:9

6:9 Do you not know that the unrighteous will not inherit the kingdom of God? Do not be deceived! The sexually immoral, idolaters, adulterers, passive homosexual partners, practicing homosexuals,

1 Corinthians 6:18

6:18 Flee sexual immorality! “Every sin a person commits is outside of the body” – but the immoral person sins against his own body.

1 Corinthians 10:8

10:8 And let us not be immoral, as some of them were, and twenty-three thousand died in a single day.