The goal of mathematics is not to solve problems, but to understand them.
一种心理状态的意义在于它所导致的结果。
The discipline of the written word punishes both stupidity and dishonesty.
不相容原理无法从旧量子力学中推导出来，而是一条新的自然法则。
拥有而不需要，总比需要而没有好。
The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.