Haggai 2:12-14

2:12 If someone carries holy meat in a fold of his garment and that fold touches bread, a boiled dish, wine, olive oil, or any other food, will that item become holy?’” The priests answered, “It will not.” 2:13 Then Haggai asked, “If a person who is ritually unclean because of touching a dead body comes in contact with one of these items, will it become unclean?” The priests answered, “It will be unclean.”

2:14 Then Haggai responded, “‘The people of this nation are unclean in my sight,’ says the Lord. ‘And so is all their effort; everything they offer is also unclean.

Titus 1:15

1:15 All is pure to those who are pure. But to those who are corrupt and unbelieving, nothing is pure, but both their minds and consciences are corrupted.