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The biographer's challenge is to be both a detective and a poet.
发展过程简单来说就是:在每一代中,两个亲本性状都会出现,分离且不变。
I'm not a professional. I have no professional life. I just do what I do.
The only way to be successful is to work hard and never give up.
Curiosity is the driving force behind all great mathematical discoveries.
The existence of a legal system is a matter of fact, not of morality.