成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事，你就会成功。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The future of energy lies in the integration of traditional and renewable sources.
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.