Proverbs 16:14

16:14 A king’s wrath is like a messenger of death,

but a wise person appeases it.

Proverbs 20:2

20:2 The king’s terrifying anger is like the roar of a lion;

whoever provokes him sins against himself.

Proverbs 25:3

25:3 As the heaven is high and the earth is deep

so the hearts of kings are unsearchable.