All human knowledge is from experience.

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。

一个理论的优雅不仅在于其数学表述，还在于其在一个统一框架下连接不同现象的能力。

Technology without scenarios is lifeless.

Nature is the best teacher; it has already done the experiments, we just have to interpret them.

生活是一段旅程，无论道路和住宿多么糟糕，都必须前行。

We think not in isolated ideas, but in continuous streams of purpose-directed activity.