The problem of testing statistical hypotheses is an old one, but its modern treatment dates from the work of Neyman and Pearson.
统计假设检验是一个古老的问题，但其现代处理始于内曼和皮尔逊的工作。
Consciousness serves the organism's need to interact effectively with its world.
"Emotions exist for the sake of action."
Especially in technology, we need revolutionary change, not incremental change.
Life consists not in holding good cards，but in playing well those you hold.
如果你是战士，别为你自己的自由而战，而要为你战友的自由而战。这样，战争对你俩来说，就会更加鼓舞人心。