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

True courage is not the absence of fear, but moving forward in the face of fear.

有作为的人胸襟坦荡，肯定与众不同；有智慧的人，其才情决然不会公开显露。

The ultimate goal of AI is to serve human society and improve people's lives.