Leviticus 11:24-39
These creatures will make you unclean. Whoever touches their carcasses will be unclean until evening, . . .

Numbers 19:11-16
Whoever touches any dead body will be unclean for seven days. . . .

Luke 11:41
But give as alms the things that are within you, and you will see that everything is clean for you.

Acts 10:15, 16, 28
The voice spoke to him a second time: "Do not call anything impure that God has made clean." . . .

Romans 14:14, 20
I am convinced and fully persuaded in the Lord Jesus that nothing is unclean in itself. But if anyone regards something as unclean, then for him it is unclean. . . .

2 Corinthians 6:17
"Therefore come out from among them and be separate, says the Lord. Touch no unclean thing, and I will receive you."

Titus 1:15
To the pure, all things are pure; but to the defiled and unbelieving, nothing is pure. Indeed, both their minds and their consciences are defiled.