对最强烈冲突的克服，使我们获得一种稳定超然的安全与宁静感。要获得有益而持久的心理安全与宁静，所需要的正是这种强烈冲突的大暴发。

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

最终，我们都在试图理解周围的疯狂。

领导力在于今天做出艰难的决定，以塑造更美好的明天。

种树的最佳时间是二十年前，其次是现在。