数学的美在于它能够以最优雅的方式描述宇宙。

我们不是从祖先那里继承了海洋；我们是从子孙那里借来的。

The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.

道理明白了，文辞就能表达清楚；文辞表达清楚了，道理也就明白了。

机器学习的最终目标是让计算机从经验中学习，并随着时间的推移提高其性能。

The biggest risk is not taking any risk. In a world that’s changing quickly, the only strategy that is guaranteed to fail is not taking risks.