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.

我们必须在能源需求和环境保护之间取得平衡。

我比以往任何时候都站得更稳。看起来像个真正的幸存者，感觉像个小孩。

In an uncertain era, the only certainty is change itself.

我总是努力保持谦逊并不断进步。

Two people in love, alone, isolated from the world, that's beautiful.

学习的唯一途径就是行动。你需要知道的一切，都已经通过你的旅程学会了。