Romans 16:18

For such men are not servants of our Lord Christ, but of their own appetites; and by good words and fair speeches they deceive the hearts of the simple.

2 Peter 2:3

and in covetousness will they with feigned words make merchandise of you; for whom the judgment long ago ordained lingereth not, and their destruction slumbereth not.

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 men are not servants of our Lord Christ, but of their own appetites; and by good words and fair speeches they deceive the hearts of the simple.
2 Peter 2:3
and in covetousness will they with feigned words make merchandise of you; for whom the judgment long ago ordained lingereth not, and their destruction slumbereth not.