The most beautiful things in life are free.

如果你重复今天你做的事情365天，那一年后你会成为你想成为的人吗？

The bird that would soar above the level plain of tradition and prejudice must have strong wings. It is a sad spectacle to see the weaklings bruised, exhausted, fluttering back to earth.

学习算法的研究必须同时考虑学习的统计和计算方面。