The purpose of a model is to be simple enough to understand and use, but complex enough to capture the essential features of the system.
模型的目的是足够简单以便理解和使用，但又足够复杂以捕捉系统的基本特征。
To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
If you plan on being anything less than you are capable of being, you will probably be unhappy all the days of your life.
The liabilities are always percent good.It's the assets you have to worry about.
Innovation is not just about technology; it's about people and how we work together to solve problems.
"To think is to confine yourself to a single thought."
最好的故事不会居高临下地对孩子说话，而是邀请他们进入。
I don't chase success. I define it.