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You may have the worst of your worries when you most appear to be at ease.

Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.

成功在于做出正確的選擇，而不僅僅是努力工作。

在算法的領(lǐng)域，效率不僅僅是速度的衡量，更是對問題本質(zhì)的深刻陳述。