"In mathematics, we often seek elegance and simplicity, but in computer science, we must also consider practicality and efficiency."

Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.

The bond market is the ultimate measure of market confidence.

心理学必须是纯粹实验性和分析性的。

"The most ordinary life contains extraordinary stories."

Freedom without justice is tyranny.

There was another life that I might have had, but I am having this one.