Money is concerned only with what is common to all: it asks for the exchange value, it reduces all quality and individuality to the question: How much?

坚持很重要， 永远不要放弃，除非不得已。

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.

技术给了我们更聪明而不是更费力地捕鱼的工具。