一流智力的检验标准是能够在头脑中同时持有两种相反的想法，并且仍然保持正常运作的能力。
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
我出生于非洲。我之所以来加州，是因为在这里，新技术可以得到推广应用，而且，这里没有具有威胁性的竞争对手。
我们都在寻找某些东西，但我们并不总是知道它是什么。
Modern quarrying must marry the wisdom of geology with the innovation of engineering.
Sustainability is not a choice anymore; it's a necessity for any business that wants to thrive in the long term.
Language is the only homeland that never exiles you.