1 Corinthians 5:11
11 But now I am writing to you not to associate with anyone nwho bears the name of brother if he is guilty of sexual immorality or greed, or is an idolater, reviler, drunkard, or swindler—not even to eat with such a one.
1 Corinthians 10:8
8 lWe must not indulge in sexual immorality mas some of them did, and ntwenty-three thousand fell in a single day.