민수기 9:2의 주석

במועדו AT ITS APPOINTED SEASON — even on Sabbath; במועדו AT ITS APPOINTED SEASON (stated again in v. 3) intimates that it must be offered even in a state of uncleanness (i.e. when the whole congregation, or at least its greater part is unclean as a result of having come in contact with a human corpse) (cf. Sifrei Bamidbar 65).

ויעשו בני ישראל את הפסח, apart from the procedures reported as having taken place on the eighth day of the consecration of the Tabernacle, and the consecration of the princes between the first and twelfth of the month of Nissan, 2 days later the whole nation observed the Passover. They did not feel that they had become free from doing so seeing that they had just finished a string of rituals as a result of which they were on a spiritual “high,” full of joy. This was in contrast to the consecration of Solomon’s Temple, on the occasion of which, according to our sages in Moed Katan 9, Solomon ordered a dispensation of the Day of Atonement seeing that the people were on such a spiritual “high” on account of that event.

ויעשו בני ישראל, seeing that the festival of Passover in Egypt had been observed only for a single day, precluding the Israelites from offering all the other sacrifices scheduled for that festival, now that the Tabernacle had become functional the Torah had to instruct that this year the Passover was to be observed in accordance with the legislation recorded in both Leviticus and Deuteronomy where the Torah speaks of the Passover sacrifices which have to be brought when the Passover is observed in future generations.