Him will I tear out of that cruel eye
Where he sits crowned in his master’s spite.
Come boy, with me. My thoughts are ripe in mischief.
I’ll sacrifice the lamb that I do love,
To spite a raven’s heart within a dove.

– William Shakespeare

Twelfth Night, Act 5, Scene 1. Orsino, when driven crazy by jealousy, is a dangerous man to be around. Here he threatens Viola’s life because of Olivia’s affection for Cesario (Viola), whom he feels has betrayed him.