过去从未死去，它甚至还没有过去。
The past is never dead. It's not even past.
事实并不能自证清白。它们支持或者反对不同的理论。而脱离理论或者信念的事实不过是孤立的好奇心而已。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
The deepest theorems in mathematics often have the simplest statements.
语言的美在于它能够传达无法表达的东西。