天下最痛苦的人是发现丈夫的勇敢只是虚张声势的妻子。
The bitterest creature under heaven is the wife who discovers that her husband's bravery is only bravado.
释义:小人做事只要有利就去做,无原则无底线;君子则坚守原则,不做不合道德正义之事,行事不刻意追求结果。