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言论自由是自由的重要堡垒;它们共同繁荣和共同消亡。
我们学得越多,就越意识到自己的无知。
最具可持续性的企业是那些平衡利润与目标的企业。
History has neither the venerable age of the earth nor the innocence of the child; it is always the result of human passions and human errors.
The greatest enemy of a good plan is the dream of a perfect plan.
Never stop learning because life never stops teaching.