我开始相信，一位伟大的教师就是一位伟大的艺术家，而且这样的教师和其他伟大的艺术家一样稀少。教学甚至可能是最伟大的艺术，因为它的媒介是人类的思想和精神。
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.
出自《海国图志》。这种风气一旦开启，智慧的日头就会出现，才可以见到东海的百姓，和西海的百姓没什么区别。
The concept of loss aversion explains why we often prefer avoiding losses over acquiring gains.
灵魂被放置在身体里，就像一颗粗糙的钻石，必须经过打磨，否则它的光泽永远不会显现。