The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they think it will profit them.

我们行业的未来取决于经济增长与环境责任的平衡。

"The great advantage of being a writer is that you can spy on people. You're there, listening to every word, but part of you is observing. Everything is useful to a writer, every scrap, even the longest and most boring of luncheon parties."

一个奇怪的事实是，根据从生物学或地球物理学的角度出发，对地球史前条件会得出完全相反的结论，这反映了我们目前知识的不完整状态。