不修养品德，不讲习学问，听到正义不能追随，有缺点不能改正，这些都是我所忧虑的。

The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.

当你有一个好的研究设计时，数据会自己说话。

The human being is a sun; and the senses are his planets.

The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.

我不去想过去。我专注于现在和未来。