愉快是健康的最佳促进者。

The only certainty is uncertainty.

2006年：贝索斯致股东信《选择新业务时，亚马逊的经验》

The said truth is that it is the greatest happiness of the greatest number that is the measure of right and wrong.

Your best response to an insult is “You’re probably right.” Often they are.

译文：在事前考虑周全，做到未雨绸缪，做事时才不会出现意外和麻烦；事到临头才忧心忡忡，慌忙应对，结果就是无济于事。赏析：做任何事，我们都要提前谋划，凡事做最充足的准备，做最坏的打算。事到临头才寻求解决之法，为时已晚了。