诚信是商业中最重要货币。一旦失去它，你就失去了一切。
Integrity is the most important currency in business. Once you lose it, you lose everything.
——2000年10月18日出席西雅图一次会议时的发言
"You can't go back and change the beginning, but you can start where you are and change the ending."
你无法回到过去改变开头，但可以从现在开始改变结局。
The most reliable way to forecast the future is to understand the present.
解释：观察与他交游的人，就知道他的品行好坏。
真正的科学家不是追求名利，而是追求真理。