The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.

The great advantage of old age is that you can be as rude as you like.

Mental processes are biological tools for survival.

Science is a wonderful thing if one does not have to earn one's living at it.

最好的科学是用开放的心态和学习的意愿完成的。

警惕物质诱惑，保持内心独立。