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The only way of discovering the limits of the possible is to venture a little way past them into the impossible.

我總是努力保持積極，即使事情不按我的方式進行。

大多數人發現編程的概念很明顯，但是做不到。

The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.

I can calculate the motions of the heavenly bodies， but not the madness of people.