we may not offer
Números 9:2
Let the children of Israel also keep the passover at its appointed time.
Êxodo 12:27
That you shall say, It is the sacrifice of the LORD'S passover, who passed over the houses of the children of Israel in Egypt, when he smote the Egyptians, and delivered our houses. And the people bowed the head and worshiped.
Deuteronômio 16:2
You shall therefore sacrifice the passover unto the LORD your God, of the flock and the herd, in the place which the LORD shall choose to place his name there.
2 Crônicas 30:17-19
17
For there were many in the congregation that were not sanctified: therefore the Levites had charge of the killing of the passover lambs for everyone that was not clean, to sanctify them unto the LORD.
18
For a multitude of the people, even many of Ephraim, and Manasseh, Issachar, and Zebulun, had not cleansed themselves, yet did they eat the passover contrary to what was written. But Hezekiah prayed for them, saying, The good LORD pardon everyone
19
That prepares his heart to seek God, the LORD God of his fathers, though he is not cleansed according to the purification of the sanctuary.
1 Coríntios 5:7
Purge out therefore the old leaven, that you may be a new lump, as you are unleavened. For even Christ our passover is sacrificed for us:
1 Coríntios 5:8
Therefore let us keep the feast, not with old leaven, neither with the leaven of malice and wickedness; but with the unleavened bread of sincerity and truth.