成功不是被给予的,而是赢得的。
I prefer to supervise the whole operations of the government myself rather than entrust the public business to subordinates.
唯一的限制是你为自己设定的限制。
可持续性不是一种趋势,而是我们对后代的责任。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
True knowledge comes from inner insight.