Naval: 保持冷静的自私理由是愤怒先烧伤你，然后再烧伤别人。 冷静冷静的人比愤怒和激动的人更有效。

原推：The selfish reason to be calm is that anger burns you first before burning the other.

A cool and calm person is more effective than an angry and agitated one.
https://twitter.com/naval/status/1524651924624093184