1 Corinthians 5:1-6

It is actually reported that there is immorality among you, and of a kind that does not occur even among pagans: a man has his father's wife.

Hebrews 12:15-16

See to it that no one comes short of the grace of God; that no root of bitterness spring up and cause trouble, and by it many become defiled;

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 actually reported that there is immorality among you, and of a kind that does not occur even among pagans: a man has his father's wife.
Hebrews 12:15
See to it that no one comes short of the grace of God; that no root of bitterness spring up and cause trouble, and by it many become defiled;