The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
机械和节省劳力的装置只有在降低制造成本时才具有价值。
语言中最具破坏性的一句话是:“我们一直都是这样做的。”
The land is our mother, the rivers our blood. We must protect her, for she is our life.
你不必为了成功而不择手段,善良和正直会让你走得更远。
The key to performance is elegance, not battalions of special cases.
Hold yourself responsible for a higher standard than anybody else expects of you. Never excuse yourself.