The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

能源转型不仅仅是更换燃料，而是转变整个系统和思维方式。

语言是存在的居所。

互联网不是万能的，但它正在改变一切。