נַ֣הַם כַּ֭כְּפִיר אֵ֣ימַת מֶ֑לֶךְ מִ֝תְעַבְּר֗וֹ חוֹטֵ֥א נַפְשֽׁוֹ׃
The terror of a king is as the roaring of a lion: He that provoketh him to anger forfeiteth his life.
Rashi on Proverbs
Fear of a king is like a lion’s roar; he who provokes him Who angers him.