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Quality is never an accident; it is always the result of intelligent effort.
The only time I feel alive is when I'm creating.
The future of democracy depends on the ability of democratic societies to reform themselves and adapt to new challenges.
释义:当对知识的理解达到真实、确切、坚定的程度时,这种理解就会体现为具体的行动;而在行动中能做到明白、警觉、精细、明察的地步,这也反映了对相关知识的掌握。