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你能做的最好的投資就是投資自己。

保持對知識的渴望，你將永遠不會缺乏機會。

The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

智慧是適應變化的能力。

對我來說，能夠確定此刻你和我存在就足夠了。