无论是个人还是国家，只要生活节俭，就会繁荣昌盛；如果贪图享受，放纵欲望，那就会走向衰亡。

海的边缘是一个奇异而美丽的地方。

I have to be alone very often. I'd be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That is how I refuel.

The concept of computational efficiency is central to the design of learning algorithms.