A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
算法的美在于它们能够用简单的步骤解决复杂的问题。
Technology is about enabling human potential.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful. But most people will die tomorrow night, so don't give up today.