制造链式反应机器的根本点当然是确保每次裂变产生一定数量的中子，其中一些中子将再次产生裂变。
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.
我相信讲故事的力量。这是我们理解世界的方式。
我是一个喜欢稀有的人。
The best buildings are those that tell a story.
"I don't really care what people think about me. I just focus on my job."
However difficult life may seem, there is always something you can do, and succeed at. It matter that you don’t just give up.
过去从未消逝，它甚至从未过去。