我逐渐相信，伟大的教师就是伟大的艺术家，而且这样的艺术家和其他任何伟大的艺术家一样稀少。教学甚至可能是最伟大的艺术，因为它的媒介是人的思想和灵魂。
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.
我不相信运气，我相信努力。
The past is never just the past. It is always a foundation for the present.
当人类心智在做计算机器的工作时，它很少感到满足，也肯定从未发挥其最高功能。