Innovation in physics often comes from looking at old problems in new ways.

The legacy we leave behind is measured not just in buildings, but in the impact we have on people's lives.《Building Tomorrow》

函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。

你越早开始编码，程序花费的时间就越长。