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Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

有兩樣東西，人們越是經(jīng)常持久地對之凝神思索，它們就越是使內(nèi)心充滿常新而日增的驚奇和敬畏：我頭上的星空和我心中的道德律。