Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.

The real problem is not whether machines think but whether men do.

投资新技术不是可选的，而是能源未来的必要条件。

我认为保持好奇心，永远不要停止提问是很重要的。