1 Corinthians 10:20

10:20 No, I mean that what the pagans sacrifice is to demons and not to God. I do not want you to be partners with demons.

1 Corinthians 5:7

5:7 Clean out the old yeast so that you may be a new batch of dough – you are, in fact, without yeast. For Christ, our Passover lamb, has been sacrificed.