Proverbs 16:14,15
The wrath of a king is as messengers of death: but a wise man will pacify it.
Nave's Topical Index—AKJV

Ecclesiastes 10:20
Curse not the king, no not in your thought; and curse not the rich in your bedchamber: for a bird of the air shall carry the voice, and that which has wings shall tell the matter.
Nave's Topical Index—AKJV