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The strength and power of despotism consists wholly in the fear of resistance.
数学中的合作是必不可少的;没有人能独自解决所有问题。
林肯的政敌批评林肯有“两面三刀”时的幽默回应。因为就政治人物而言,林肯的长相极不讨喜,像个野猴
Get busy living or get busy dying, there are only two choices.
Sustainability isn't an option—it's a responsibility we owe to future generations.