Power is not a means; it is an end. One does not establish a dictatorship in order to safeguard a revolution; one makes the revolution in order to establish the dictatorship.
P与NP问题是计算机科学中最重要的一个问题之一。
Love is or it ain't. Thin love ain't love at all.
Life is short, and it’s up to you to make it sweet.