在数学研究中,坚持是关键;许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
The world is a puzzle, and we are the missing pieces.
An excellent man; he has no enemies; and none of his friends like him.
Duty is the most sublime word in our language. Do your duty in all things. You cannot do more. You should never wish to do less.
坚持非常重要。你不应该放弃,除非你被迫放弃。
The most advanced technology is worthless if it doesn't serve the needs of real farmers.