Romans 16:18

For such persons are not serving Christ, our Master, but are slaves to their own appetites; and, by their smooth words and flattery, they deceive simple-minded people.

2 Peter 2:3

In their covetousness they will try to make you a source of profit by their fabrications; but for a long time past their Sentence has not been standing idle, nor their Ruin slumbering.

Treasury of Scripture Knowledge

Summary

To have respect of persons is not good: for for a piece of bread that man will transgress.

Bible References

For

Romans 16:18
For such persons are not serving Christ, our Master, but are slaves to their own appetites; and, by their smooth words and flattery, they deceive simple-minded people.
2 Peter 2:3
In their covetousness they will try to make you a source of profit by their fabrications; but for a long time past their Sentence has not been standing idle, nor their Ruin slumbering.