Anger (n.) is a feeling one should neither have for what one can help and what one cannot.
Anger (n.) is an innate impulse of the soul, unruly and hard to fight, that does great havoc by sheer irrational force.
Anger (n.) vented in abuse drives a character once civilized by education back into savagery; bitter indeed are its pleasures.
Anger (n.) at being wronged boils and fights on through hunger and cold until it wins, dies, or is called to heel by reason like a dog by a shepherd.
Anger (n.) makes a crime fall midway between voluntary and involuntary: anger nursed into revenge resembles deliberate killing, anger that bursts out unpremeditated resembles accident.