Never ask a woman if she is pregnant. Let her tell you if she is.
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
知道我们所知道的,知道我们所不知道的,这才是真正的知识。
"Quantum cryptography is not about keeping secrets, it's about knowing when someone is trying to steal them."