我开始相信，一位伟大的教师是一位伟大的艺术家，而且像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，因为媒介是人的思想和精神。

We are moving from an economy based on the production of goods to one based on the production of knowledge.

The truth is often hidden in the simplest things.

艺术是自由的，它不应该被任何框架束缚。