To have good temper is to be slow to anger, and regulating your anger so as not to make poor decisions in a fit of rage; but also not to be such a pushover that people can walk all over you or won’t trust you to rise to their defense when that is needed.

Complementary virtues

Contrasting vices

Virtues possibly in tension

How to acquire or strengthen it

Notes and links

Mentioned elsewhere

Inspirational quotes