The human being is the only animal that thinks about the future.

什么是悲剧?悲剧就是善的冲突。

科学的历史是新知识生产的历史。

"Quantum cryptography is not about keeping secrets, it's about knowing when someone is trying to steal them."

我尽量拍出接近生活的电影，因为生活并不总是清晰和直接的。