We cannot always assure the future of our friends, but we have a better chance of assuring our future if we remember who our friends are.
The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
学习算法的研究必须同时考虑学习的统计和计算方面。
The world is a book, and those who do not travel read only one page.