Exodus 32:27

He said to them, “Thus says the Lord God of Israel, ‘Every man strap his sword on his thigh and go back and forth from gate to gate throughout the camp, and every man kill his brother, and every man his friend, and every man his neighbor [all who continue pagan worship].’”

Numbers 25:5

So Moses said to the judges of Israel, “Each one of you must kill his men who have joined themselves to Baal of Peor [in worship].”

Exodus 32:26

then Moses stood in the gate of the camp, and said, “Whoever is on the Lord’s side, come to me!” And all the sons of Levi [the priestly tribe] gathered together to him.

Exodus 32:29

Then Moses said [to the Levites], “Dedicate yourselves today to the Lord—for each man has been against his own son and his own brother [in his attempt to escape execution]—so that He may restore and bestow His blessing on you this day.”

Numbers 25:7-12

When Phinehas the son of Eleazar, the son of Aaron the priest, saw this, he left the congregation and took a spear in his hand,

Deuteronomy 33:8-9

Of Levi he said,

“Your Thummim and Your Urim belong to Your godly man [Aaron],
Whom You tested and proved at Massah,
With whom You contended at the waters of Meribah;

Luke 14:26

“If anyone comes to Me, and does not hate his own father and mother and wife and children and brothers and sisters, yes, and even his own life [in the sense of indifference to or relative disregard for them in comparison with his attitude toward God]—he cannot be My disciple.

2 Corinthians 5:16

So from now on we regard no one from a human point of view [according to worldly standards and values]. Though we have known Christ from a human point of view, now we no longer know Him in this way.

Treasury of Scripture Knowledge

Summary

And he said unto them, Thus saith the LORD God of Israel, Put every man his sword by his side, and go in and out from gate to gate throughout the camp, and slay every man his brother, and every man his companion, and every man his neighbour.

General references

Bible References

Slay every man

Exodus 32:26
then Moses stood in the gate of the camp, and said, “Whoever is on the Lord’s side, come to me!” And all the sons of Levi [the priestly tribe] gathered together to him.
Numbers 25:5
So Moses said to the judges of Israel, “Each one of you must kill his men who have joined themselves to Baal of Peor [in worship].”
Deuteronomy 33:8
Of Levi he said,

“Your Thummim and Your Urim belong to Your godly man [Aaron],
Whom You tested and proved at Massah,
With whom You contended at the waters of Meribah;
Luke 14:26
“If anyone comes to Me, and does not hate his own father and mother and wife and children and brothers and sisters, yes, and even his own life [in the sense of indifference to or relative disregard for them in comparison with his attitude toward God]—he cannot be My disciple.
2 Corinthians 5:16
So from now on we regard no one from a human point of view [according to worldly standards and values]. Though we have known Christ from a human point of view, now we no longer know Him in this way.

General references

Numbers 3:40
Then the Lord said to Moses, “Number every firstborn male of the Israelites from a month old and upward, and make a list of their names.