Acts 11:8

I said, 'No Lord, for nothing defiled or unclean has at any time entered into my mouth.'

Romans 14:14

I know, and am persuaded by the Lord Jesus, that there is nothing unclean in itself. If someone thinks something is unclean it is unclean to him.

Leviticus 10:10

You must learn the difference (distinction) between what is holy and what is not holy and between the clean and the unclean.

Leviticus 11:47

This law helps you distinguish between clean and unclean, the animals you may eat and those you may not eat.'

Ezra 9:11-12

Which you gave to your servants the prophets, saying: 'The land where you are going, you should take for a heritage. It is an unclean land, because of the evil lives of the peoples of the land and their disgusting ways, which have made the land unclean from end to end.'

Hosea 9:3

The people of Ephraim will not stay in Jehovah's land. They will return to Egypt and they will eat unclean food in Assyria.

Mark 7:2

They saw that some of his disciples ate their bread with unwashed defiled hands.

1 Corinthians 7:14

For the wife sanctifies the unbelieving husband, and the husband sanctifies the unbelieving wife. Otherwise your children would be unclean. But now they are holy.

Treasury of Scripture Knowledge

Summary

But I said, Not so, Lord: for nothing common or unclean hath at any time entered into my mouth.

Bible References

Common

Mark 7:2
They saw that some of his disciples ate their bread with unwashed defiled hands.
Romans 14:14
I know, and am persuaded by the Lord Jesus, that there is nothing unclean in itself. If someone thinks something is unclean it is unclean to him.