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

可持续发展不是一个流行词，而是每天做得更好的承诺。

Always listen to your audience. They will tell you what they want, if you're willing to hear.

"写作是一种对时间的挑战，通过文字，我们可以让瞬间成为永恒。"