The world is full of people who have never, since childhood, met an open doorway with an open mind.

The key to survival is preparation. Know your environment and be ready for anything.

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 development of robust learning algorithms requires a deep understanding of the underlying data distribution.

The best way to predict the future is to create it.