幸福不是现成的东西。它来自你自己的行动。

If your art doesn’t challenge you, it won’t challenge anyone else.

I'm a catalyst for change... You can't be an outsider and be successful over 30 years without leaving a certain amount of scar tissue around the place.

物理理论的美不仅在于其数学的优雅，还在于其解释和预测现象的能力。