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解釋：對于一件事情的利害得失，只有有智慧的人才能分辨清楚。

Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.

"The only thing to do with good advice is to pass it on. It is never of any use to oneself."

只憑一句贊美的話我就可以充實地活上兩個月。

The theory of probabilities is at bottom nothing but common sense reduced to calculus.