现在如果送给别人很少的东西，却希望人家回报很多的东西，那么，人们就会怕你再送东西给自己了。 

We have forty million reasons for failure, but not a single excuse.

The only way to tell the truth is to speak without fear of the consequences.

The beauty of a well-designed algorithm lies in its simplicity and efficiency.

The greatest discovery of any generation is that a human being can alter his life by altering his attitude.

战争是外交的延续，可通过其他手段。