量子力学不仅仅是一个理论，它是一个从根本上改变了我们对现实理解的框架。
"Quantum mechanics is not just a theory, it is a framework that has fundamentally changed our understanding of reality."
The best way to cheer yourself up is to try to cheer somebody else up.
"The past is a ghost that refuses to leave."
我不是数学，我是音乐。