量子场论的发展表明，真空不是空的，而是充满了虚粒子。

We act as though comfort and luxury were the chief requirements of life, when all that we need to make us happy is something to be enthusiastic about.

未来属于那些能够平衡利润与目标的人。

我们这年代的人读书太多而不聪明，想得太多而不美丽。