If an injury has to be done to a man it should be so severe that his vengeance need not be feared.

If an injury has to be done to a man it should be so severe that his vengeance need not be feared.

如果要对一个人造成伤害，那么伤害的程度应该非常严重，不必担心他会报复。

-- Niccolò Machiavelli 尼科尔·马基雅维利