2 Peter 2:3-9

In their covetousness, with cunning words, they will make merchandise of you; those whose doom has not been idle from of old, and whose destruction has not been slumbering.

2 Peter 3:3-9

Know this first, that mockers will come in the last days, in their mockery, men who walk the way of their own lusts

Treasury of Scripture Knowledge

Summary

I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness and madness:

Bible References

The reason

2 Peter 2:3
In their covetousness, with cunning words, they will make merchandise of you; those whose doom has not been idle from of old, and whose destruction has not been slumbering.
2 Peter 3:3
Know this first, that mockers will come in the last days, in their mockery, men who walk the way of their own lusts