Numbers 9:7
And those men said to him, We are defiled by the dead body of a man. Why are we kept back that we may not offer an offering of Jehovah in its appointed time among the sons of Israel?
Exodus 12:27
Then you shall say, It is the sacrifice of Jehovah's passover, who passed over the houses of the sons of Israel in Egypt, when He struck the Egyptians and delivered our houses. And the people bowed and worshiped.
Numbers 9:2
Let the sons of Israel also keep the Passover at its appointed time.
Deuteronomy 16:2
And you shall therefore sacrifice the Passover to Jehovah your God, of the flock and the herd, in the place which Jehovah shall choose to place His name there.
2 Chronicles 30:17-19
For many in the congregation were not sanctified. And the Levites were over the killing of the passovers for every one who was not clean, to sanctify them to Jehovah.
1 Corinthians 5:7-8
Therefore purge out the old leaven so that you may be a new lump, as you are unleavened. For also Christ our Passover is sacrificed for us.