Once Einstein travelled all over America, and gave lectures everywhere.His driver always listened to his lecture.One day, the driver told Einstein that he knew the lecture so well taht he could give it himself.Einstein agreedwith a smile.
愛因斯坦曾周游美國(guó),到各地去講學(xué)。他的司機(jī)總是聽他的講座。有一天司機(jī)告訴愛因斯坦說他通宵了愛因斯坦的講座,他也能講。愛因斯坦笑著同意了。