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.

1 Thessalonians 2:5

Never at any time, as you know, did we use the language of flattery, or make false professions in order to hide selfish aims. God will bear witness to that.

2 Peter 2:2-3

There will be many, too, who will follow their licentious courses, and cause the Way of the Truth to be maligned.

Treasury of Scripture Knowledge

Summary

For there shall be no more any vain vision nor flattering divination within the house of Israel.

Bible References

General references

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.
1 Thessalonians 2:5
Never at any time, as you know, did we use the language of flattery, or make false professions in order to hide selfish aims. God will bear witness to that.
2 Peter 2:2
There will be many, too, who will follow their licentious courses, and cause the Way of the Truth to be maligned.