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When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.
The deepest theorems in mathematics often have the simplest statements.
Beware the barrenness of a busy life.
A man is but the product of his thoughts. What he thinks, he becomes.
我不是来融入的,我是来脱颖而出的。
过去并未死去,它甚至从未过去。