这些人很少不是死于自己的所长,所以说∶事业达到顶峰就难以持久。 
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night.
We thought that we had the answers, it was the questions we had wrong.
光勤劳是不够的,蚂蚁也是勤劳的。要看你为什么而勤劳。