最大的风险就是不冒任何风险。
The world is a place of the living, and the dead have no place in it. The dead are nothing.
I'm interested in the weak materials, the materials that people don't think can be used for permanent structures.
有谁背后没被他人议论过，又有谁在他人面前没议论过别人？有钱人不管说什么，别人都奉承他说的是真的，而穷人即使说的是真话，别人也都不相信是真话。
The future of energy lies in the integration of traditional and renewable sources.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.