1 Corinthians 5:1-6

A case of immorality is reported as actually existing among you, an immorality unheard of even among the heathen that a man cohabits with his father's wife.

Hebrews 12:15-16

Continue to look after one another, that no one fails to gain God's spiritual blessing; or some evil like a bitter root may spring up and trouble you, and many of you be contaminated by it --

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
A case of immorality is reported as actually existing among you, an immorality unheard of even among the heathen that a man cohabits with his father's wife.
Hebrews 12:15
Continue to look after one another, that no one fails to gain God's spiritual blessing; or some evil like a bitter root may spring up and trouble you, and many of you be contaminated by it --