The human being is always more than what he has done; he is also what he can do.
人总是比他已做的更多；他也是他能做的。
电影是一面镜子，通过它我们经常看到自己。
Cryptography is about communication in the presence of adversaries.
The real challenge in computer science is not to write programs, but to understand the nature of computation.
数学的美在于它既是艺术又是科学。
I think that the most interesting art is the art that makes you think about what you're looking at.
