Ezra 6:21
So the Israelis who had returned from captivity ate the Passover with all who had consecrated themselves from the uncleanness of the nations of the land in order to seek the LORD God of Israel.
Ezra 9:11
that you gave in the writings of your servants, the prophets:
Nehemiah 9:2
The remnant of Israel separated themselves from all foreigners. Then they stood and confessed their sins and the iniquities of their ancestors.
Ezekiel 36:25
I'll sprinkle pure water on you all, and you'll be cleansed from your impurity and from all of your idols."
Exodus 12:47-49
The whole congregation of Israel is to observe it.
Numbers 9:6-7
But there were men who couldn't observe the Passover that day because they had come in contact with a corpse. That very day, they approached Moses and Aaron
Numbers 9:10-14
"Instruct the Israelis that when any of you or your descendants becomes unclean due to contact with a corpse, or if he is on a long journey, he nevertheless is to observe the LORD's Passover.
Ezra 9:1
After these things occurred, certain officials approached me and said "The people of Israel, the priests, and the descendants of Levi have not separated themselves from the people of the lands or from the detestable behavior of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians, and the Amorites,
Nehemiah 10:28
The rest of the people, the priests, the descendants of Levi, the gatekeepers, the singers, the Temple Servants, and everyone who had separated themselves from the nations of the surrounding lands for the Law of God their wives, their sons, their daughters, and all who had knowledge and understanding
Psalm 93:5
Your decrees are very trustworthy, and holiness always befits your house, LORD.
Isaiah 52:11
"Depart! Depart! Go out from there; touch no unclean thing; go out from the midst of her; purify yourselves, you who carry the vessels of the LORD.
2 Corinthians 6:17
Therefore, "Get away from them and separate yourselves from them," declares the Lord, "and don't touch anything unclean. Then I will welcome you.
2 Corinthians 7:1
Since we have these promises, dear friends, let's cleanse ourselves from everything that contaminates body and spirit by becoming mature in our holy fear of God.