1st Corinthians 5:6

3 For I myself, being present in spirit though not in body, have come to a decision about him who has done this thing;

4 In the name of our Lord Jesus, when you have come together with my spirit, with the power of our Lord Jesus,

5 That this man is to be handed over to Satan for the destruction of the flesh, so that his spirit may have forgiveness in the day of the Lord Jesus.

6 This pride of yours is not good. Do you not see that a little leaven makes a change in all the mass?

7 Take away, then, the old leaven, so that you may be a new mass, even as you are without leaven. For Christ has been put to death as our Passover.

8 Let us then keep the feast, not with old leaven, and not with the leaven of evil thoughts and acts, but with the unleavened bread of true thoughts and right feelings.

9 In my letter I said to you that you were not to keep company with those who go after the desires of the flesh;