自然定律相对于参考系变换的对称性是物理学最基本的原理之一。
The best fiction is far more true than any kind of journalism.
对于一个伟大的头脑来说，没有什么事情是小的。
The past is never dead. It's not even past.
生命中最美丽的东西不是事物，而是瞬间。
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.
