Romans 16:18

Such creatures are no servants of Christ our Lord, they are slaves of their own base desires; with their plausible and pious talk they beguile the hearts of unsuspecting people. But surely not of you!

James 1:8

double-minded creature that he is, wavering at every turn.

1 Thessalonians 2:5

We never resorted to flattery (you know that), nor to any pretext for self-seeking (God is witness to that);

Treasury of Scripture Knowledge

Summary

They speak vanity every one with his neighbour: with flattering lips and with a double heart do they speak.

General references

Bible References

Flattering

Romans 16:18
Such creatures are no servants of Christ our Lord, they are slaves of their own base desires; with their plausible and pious talk they beguile the hearts of unsuspecting people. But surely not of you!
1 Thessalonians 2:5
We never resorted to flattery (you know that), nor to any pretext for self-seeking (God is witness to that);

General references

Acts 12:22
The populace shouted, "It is a god's voice, not a man's!"