宇宙中唯有两件事物是无限的：那就是宇宙的大小与人的愚蠢。而宇宙的大小我却不能肯定。

Success isn't measured just by profits, but by the positive impact we create.

To study the mind is to study adaptation in action; every thought is a tool for living.

研究历史是政治智慧的开始。

创新不是对一切都说“是”，而是对除最关键功能外的一切说“不”。