永远不要把运动和行动混为一谈。

Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.

Run，don’t walk！

检验统计假设的问题由来已久，其起源已不可考。

We are all self-righteous hypocrites.

写作就是把文字刻在时间的肉体上。