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 are again effective in producing fission.
制造鏈?zhǔn)椒磻?yīng)機(jī)器的基本點(diǎn)當(dāng)然是確保每次裂變產(chǎn)生一定數(shù)量的中子，其中一些中子再次有效地產(chǎn)生裂變。
創(chuàng)造就是活兩次。
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
不去嘗試辦不到的事情, 不去追求得不到的東西, 不居于不能持久的地位, 不推行不可重復(fù)的政策。
Escribo para que lo imposible se vuelva inevitable.
在上帝面前，我們都一樣聰明——也都一樣愚蠢。