To turn caring into action, we need to see a problem, see a solution, and see the impact. But complexity blocks all three steps.

最好的故事是那些与读者自己的经历产生共鸣，触动他们内心深处的东西。

Self-love， then， is a necessary principle of action.

Even the strongest man needs someone to stand by him.

【译文】冰与炭不能长久共存，寒与暑不会同时到来。