1 Corinthians 7:14
For the husband who has not faith is made holy through his Christian wife, and the wife who is not a Christian is made holy through the brother: if not, your children would be unholy, but now are they holy.
Ezra 9:1-2
Now after these things were done, the captains came to me and said, The people of Israel and the priests and Levites have not kept themselves separate from the people of the lands, but have taken part in the disgusting ways of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians, and the Amorites.
Isaiah 52:1
Awake! awake! put on your strength, O Zion; put on your beautiful robes, O Jerusalem, the holy town: for from now there will never again come into you the unclean and those without circumcision.
Malachi 2:15-16
... So give thought to your spirit, and let no one be false to the wife of his early years.
Acts 10:23
So he took them in for the night. And the day after, he went with them, taking some of the brothers from Joppa with him.
Romans 11:16
And if the first-fruit is holy, so is the mass: and if the root is holy, so are the branches.
1 Corinthians 6:15-17
Do you not see that your bodies are part of the body of Christ? how then may I take what is a part of the body of Christ and make it a part of the body of a loose woman? such a thing may not be.
1 Timothy 4:5
For it is made holy by the word of God and by prayer.
Titus 1:15
To the clean in heart all things are clean: but to those who are unclean and without faith nothing is clean; they become unclean in mind and in thought.