我认为在生活中保持平衡很重要。你不能一直工作；你也必须玩得开心。
The most profound discoveries often come from the simplest observations.
"The best leaders are those who can listen as well as they can speak."
行动之外再无希望。
All behavior is motivated by some form of drive reduction.
我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精神。
A mathematician is a maker of patterns, like a painter or a poet.