You have to write the book that wants to be written. And if the book will be too difficult for grown-ups, then you write it for children.

我不需要任何人的允许来做自己。

保持健康应该是渴望智慧的人的首要研究。

告诉我动机，我会告诉你结果。

Success is measured not just by profits, but by the positive impact we have on the world.