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。
When it comes to creative endeavors, the concept of zero failures is worse than useless. It is counterproductive.
Investing in lower-carbon solutions is not just good for the environment, it's good business.
改变行为的唯一方法是通过操纵强化偶然性。