1 Corinthians 5:7-9

Revised Standard Version

⁷ Cleanse out the old leaven that you may be a new lump, as you really are unleavened. For Christ, our paschal lamb, has been sacrificed. ⁸ Let us, therefore, celebrate the festival, not with the old leaven, the leaven of malice and evil, but with the unleavened bread of sincerity and truth.

Sexual Immorality Must Be Judged

⁹ I wrote to you in my letter not to associate with immoral men;