1. Libraries made education possible, and education in its turn added to libraries; the growth of knowledgefollowed a kind of compound-interest law, which was greatly enhanced by the invention of printing.
要點：從內容上分析，which修飾 the growth of knowledge
圖書館的出現使教育的發展成爲可能，而教育的發展又反過來使圖書館不斷擴大充實。知識的增長遵循了一種複利法則。由於印刷術的'發明，這一知識增長過程得以大大加速。
2. If they can each be trusted to take such responsibilities, and to exercise such initiative as falls within their sphere, then administrative overhead will be low.
如果他們每個人都能予以信任承擔這樣的職責，並在他們所管轄的範圍內發揮主動性，那麼管理費用就會降低。
3. There are probably no question we can think up that cant be answered, sooner or later, including even that matter of consciousness.
遲早可能不存在我們想得出但解答不了的問題，甚至包括我們意識的問題。
4. The curtain was rung down in that phase of history, at least, by the sudden invention of the hydrogen bomb, of the ballistic missile and of rockets that can be aimed to hit the moon.
至少由於氫彈、彈道導彈和登月火箭出人意料地發明，那個歷史時期宣告結束了。
