The past is a shadow that follows us, but it is our choice whether to let it define us or to step into the light.

置身于是非之外，评断是非才能客观；置身于利害之外，才能看清利害的变化。

Courage doesn’t mean you don’t get afraid. Courage means you don’t let fear stop you.

并非所有流浪者都迷失了方向。

能量守恒定律不仅是一条经验法则，更是思维的必然要求。