1 Corinthians 5:1-6

It is commonly reported, that there is fornication among you, and such fornication, as is not even named among the heathens, that one should have his father's wife.

Hebrews 12:15-16

Looking diligently, lest any one fall from the grace of God, lest any root of bitterness springing up trouble you, and thereby many be defiled: Lest there be any fornicator or profane person,

Treasury of Scripture Knowledge

Summary

But the children of Israel committed a trespass in the accursed thing: for Achan, the son of Carmi, the son of Zabdi, the son of Zerah, of the tribe of Judah, took of the accursed thing: and the anger of the LORD was kindled against the children of Israel.

Bible References

The anger

1 Corinthians 5:1
It is commonly reported, that there is fornication among you, and such fornication, as is not even named among the heathens, that one should have his father's wife.
Hebrews 12:15
Looking diligently, lest any one fall from the grace of God, lest any root of bitterness springing up trouble you, and thereby many be defiled: Lest there be any fornicator or profane person,