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I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

快樂的人不是處于某種特定環(huán)境的人，而是具有某種特定態(tài)度的人。

I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.

我不害怕電腦。我害怕沒有它們。