过去不是静止的。它随着我们移动和变化。
The past is not a static thing. It moves and shifts with us.
读古人的著作，与贤能的人交往，最忌讳轻率地表示附和赞同，也不能够轻率地表示异议。之所以会犯这两种过失，都是由于心中缺乏主见，做学问时就掺杂有趋炎附势的成分，不是曲意逢迎便是虚伪矫饰。
"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."
发现的快乐无疑是推动科学前进的动力。