1 Corinthians 5:8-10

Complete Jewish Bible

⁸ So let us celebrate the Seder not with leftover hametz, the hametz of wickedness and evil, but with the matzah of purity and truth.

⁹ In my earlier letter I wrote you not to associate with people who engage in sexual immorality. ¹⁰ I didn’t mean the sexually immoral people outside your community, or the greedy, or the thieves or the idol-worshippers — for then you would have to leave the world altogether!