Quality is conformance to requirements, not goodness.

【译文】所谓仁人，只要能做到自己想成功时先帮别人成功，自己想得到时先帮别人得到，就可以了。推己及人，可算实行仁的方法。

The true revolutionary is guided by a great feeling of love. It is impossible to think of a genuine revolutionary lacking this quality.

The past is a shadow that clings to our heels.

The first step is to establish that something is possible; then probability will occur.

我们写的每一个字都是朝着理解自己和周围世界迈出的一步。