1 Thessalonians 5:2-3

You know perfectly well that the day of the Lord comes like a thief in the night;

Hebrews 11:28

It was by faith that he celebrated the passover and performed the sprinkling by blood, so that the destroying angel might not touch Israel's first-born.

Hebrews 12:23

to the assembly of the first-born registered in heaven, to the God of all as judge, to the spirits of just men made perfect,

Treasury of Scripture Knowledge

Summary

And it came to pass, that at midnight the LORD smote all the firstborn in the land of Egypt, from the firstborn of Pharaoh that sat on his throne unto the firstborn of the captive that was in the dungeon; and all the firstborn of cattle.

At midnight

The lord smote

Bible References

At midnight

1 Thessalonians 5:2
You know perfectly well that the day of the Lord comes like a thief in the night;

The lord smote

Hebrews 11:28
It was by faith that he celebrated the passover and performed the sprinkling by blood, so that the destroying angel might not touch Israel's first-born.
Hebrews 12:23
to the assembly of the first-born registered in heaven, to the God of all as judge, to the spirits of just men made perfect,