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The beauty of mathematics lies in its ability to simplify the complex.
The greatest danger to American agriculture is the loss of the family farm.
In a world of rapid change, the ability to learn and adapt is the ultimate competitive advantage.
A nation's memory is its most contested territory.
知识在心灵中以符号结构的形式表征。
对人们少些好奇,对想法多些好奇。
It is dangerous to be right in matters where established men are wrong.
Depression is the inability to construct a future.