Numbers 9:7
And these men said to him, We have been made unclean by the dead body of a man; why may we not make the offering of the Lord at the regular time among the children of Israel?
Exodus 12:27
Then you will say, This is the offering of the Lord's Passover; for he went over the houses of the children of Israel in Egypt, when he sent death on the Egyptians, and kept our families safe. And the people gave worship with bent heads.
Numbers 9:2
Let the children of Israel keep the Passover at its regular time.
Deuteronomy 16:2
The Passover offering, from your flock or your herd, is to be given to the Lord your God in the place marked out by him as the resting-place of his name.
2 Chronicles 30:17-19
For there were still a number of the people there who had not made themselves holy: so the Levites had to put Passover lambs to death for those who were not clean, to make them holy to the Lord.
1 Corinthians 5:7-8
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.