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That whose existence is necessary must necessarily be one essence.

  • -- Avicenna 阿维森纳

它的存在是必要的，必然是一个本质。

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Necessary Must

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To resist the frigidity of old age, one must combine the body, the mind, and the heart. And to keep these in parallel vigor one must exercise, study, and love.

要抵抗老年的寒冷，就必须把身体、思想和心灵结合起来。为了保持这些活力，我们必须锻炼、学习和热爱。

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You end up as you deserve. In old age you must put up with the face, the friends, the health, and the children you have earned.

你得到了你应得的。在年老时，你必须忍受你所赢得的面子、朋友、健康和孩子。

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War presents itself as necessary for self-protection, when in fact it is necessary for self-identification.

战争本身是自我保护的必要条件，而实际上是自我认同的必要条件。

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If you propose to speak, always ask yourself, is it true, is it necessary, is it kind.

如果你打算演讲，总是问自己，这是真的吗?有必要吗?

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