聰明人的用法和樣例：
例句
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過去的已經過去，且一去不返，而聰明人總是努力著眼於現在和將來的事情，所以對過去耿耿於懷著無非是在捉弄自己罷了。
That which is past is gone, and irrevocable; and wise men have enough to do, with things present and to come; therefore they do but trifle with themselves, that labor in past matters. -
不會在必要的情況下裝傻的人，不是聰明人。
He is not a wise man who cannot play the fool upon occasions. -
【諺】聰明人一點即明。
A word to the wise is enough.
