Romans 16:18

For those who are such are not serving our Lord Christ, but their own belly; and, through their kind words and flattering speeches, they beguile the hearts of the simple.

1 Thessalonians 2:5

For neither, at any time, did we use a word of flattery, as ye know, nor a semblance of covetousness, God is witness;

2 Peter 2:2-3

and many will follow their lascivious doings; by reason of whom the way of the truth will be defamed;

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 those who are such are not serving our Lord Christ, but their own belly; and, through their kind words and flattering speeches, they beguile the hearts of the simple.
1 Thessalonians 2:5
For neither, at any time, did we use a word of flattery, as ye know, nor a semblance of covetousness, God is witness;
2 Peter 2:2
and many will follow their lascivious doings; by reason of whom the way of the truth will be defamed;