Success is not final, failure is not fatal: It is the courage to continue that counts.

作家的职责是照亮阴影，为沉默者发声。

种一棵树最好的时间是20年前，第二好的时间是现在。

If not now, when? If not me, who?

Innovation doesn't happen by accident; it requires intentional investment in people and ideas.

主要的义务规则是那些要求或禁止某些行为的规则。