Exodus 12:42

This a night of watchings to Jehovah, for bringing them forth out of the land of Egypt: it is this night to Jehovah of watching to all the sons of Israel for their generations.

Deuteronomy 16:1-6

Watch the month of Abib, and do the passover to Jehovah thy God: for in the month of Abib Jehovah thy God brought thee out of Egypt by night

Exodus 12:14

And this day shall be to you for a remembrance; and ye kept it a festival to Jehovah for your generations: ye shall keep a festival a law forever.

Exodus 13:10

And watch this law according to its appointment from days to days.

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
And this day shall be to you for a remembrance; and ye kept it a festival to Jehovah for your generations: ye shall keep a festival a law forever.
Deuteronomy 16:1
Watch the month of Abib, and do the passover to Jehovah thy God: for in the month of Abib Jehovah thy God brought thee out of Egypt by night