1 Corinthians 5:7-8

Purge out the old leaven, that you may be a new mass, as you are without leaven; for Christ, our passover, has been sacrificed for us.

Treasury of Scripture Knowledge

Summary

And Hezekiah sent to all Israel and Judah, and wrote letters also to Ephraim and Manasseh, that they should come to the house of the LORD at Jerusalem, to keep the passover unto the LORD God of Israel.

Bible References

To keep

1 Corinthians 5:7
Purge out the old leaven, that you may be a new mass, as you are without leaven; for Christ, our passover, has been sacrificed for us.