What we gain by experience is more real and more solid than what we gain by reasoning.

质量不是神话；它是一种事实。

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

The best way to predict your future is to create it.

The beauty of physics lies in its ability to explain the complex with the simple.

我们必须倾听几个世纪以来与森林和谐相处的土著社区的智慧。