Joshua 22:17

Is the iniquity of Peor too little for us, from which we have not cleansed ourselves to this day, although there came a plague on the congregation of Yahweh,

Numbers 25:1-18

Israel stayed in Shittim; and the people began to play the prostitute with the daughters of Moab:

Deuteronomy 4:3-4

Your eyes have seen what Yahweh did because of Baal Peor; for all the men who followed Baal Peor, Yahweh your God has destroyed them from the midst of you.

Psalm 106:28-29

They joined themselves also to Baal Peor, and ate the sacrifices of the dead.

Ezra 9:13-14

"After all that has come on us for our evil deeds, and for our great guilt, since you, our God, have punished us less than our iniquities deserve, and have given us such a remnant,

1 Corinthians 10:8

Neither let us commit sexual immorality, as some of them committed, and in one day twenty-three thousand fell.

1 Corinthians 10:11

Now all these things happened to them by way of example, and they were written for our admonition, on whom the ends of the ages have come.

Treasury of Scripture Knowledge

Summary

Is the iniquity of Peor too little for us, from which we are not cleansed until this day, although there was a plague in the congregation of the LORD,

Bible References

Is the iniquity

Numbers 25:3
Israel joined himself to Baal Peor: and the anger of Yahweh was kindled against Israel.
Deuteronomy 4:3
Your eyes have seen what Yahweh did because of Baal Peor; for all the men who followed Baal Peor, Yahweh your God has destroyed them from the midst of you.
Psalm 106:28
They joined themselves also to Baal Peor, and ate the sacrifices of the dead.

From which

Ezra 9:13
"After all that has come on us for our evil deeds, and for our great guilt, since you, our God, have punished us less than our iniquities deserve, and have given us such a remnant,
1 Corinthians 10:8
Neither let us commit sexual immorality, as some of them committed, and in one day twenty-three thousand fell.