Exodus 12:42

A night of solemn observances, it is unto Yahweh, for bringing them forth out of the land of Egypt, - this same night, pertaineth to Yahweh, for solemn observances by all the sons of Israel to their generations.

Deuteronomy 16:1-6

Observe the month of Abib, when thou shalt keep a passover unto Yahweh thy God, - for in the month of Abib, did Yahweh thy God bring thee forth out of Egypt by night:

Exodus 12:14

So shall this day serve you for a memorial, and ye shall celebrate it, as a festival to Yahweh, - to your generations - as an age-abiding statute, shall ye celebrate it.

Exodus 13:10

So shalt thou observe this statute in its appointed time, - from year to year.

Treasury of Scripture Knowledge

Summary

It is a night to be much observed unto the LORD for bringing them out from the land of Egypt: this is that night of the LORD to be observed of all the children of Israel in their generations.

A night to be much observed

Bible References

A night to be much observed

Exodus 12:14
So shall this day serve you for a memorial, and ye shall celebrate it, as a festival to Yahweh, - to your generations - as an age-abiding statute, shall ye celebrate it.
Deuteronomy 16:1
Observe the month of Abib, when thou shalt keep a passover unto Yahweh thy God, - for in the month of Abib, did Yahweh thy God bring thee forth out of Egypt by night: