To understand mathematics is to speak the language of the universe.
"History is not the past. It is the method we have evolved of organizing our ignorance of the past."
历史不是过去。它是我们进化出来的组织我们对过去无知的方法。
自由并不意味着摆脱某物,而是能够自由地去做某事。
The world changes by your example, not by your opinion.