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.

艺术的意义不是固定的，它随着观众而演变。

译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。

除非我能看到明确的50%收益路径，否则我从不购买任何东西。