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.

译文：即使是钝刀，也希望能有一次锋利的机会；梦想着施展抱负，实现宏伟的计划。

The novel is an art form that is always in crisis, always on the verge of disappearing, and that's what keeps it alive.

We must invest in people as much as we invest in machinery.

真正的历史在于普通人的小故事中。