科学不仅仅是发现新事物，还包括提高世界各地人们的生活质量。

Nowadays, particularly in the United States, if you meet someone at the bottom of society, they may unkindly be described as a "loser." There's a real difference between an unfortunate and a loser, and that shows 400 years of evolution in society and our belief in who is responsible for our lives. It's no longer the gods, it's us. We're in the driving seat.

质量不是财富；它是一种计划。

Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.

The real challenge in computer science is not to write programs, but to understand the nature of computation.