Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

未来属于那些能够适应变化而不失去核心价值观的人。

穷人不仅仅是消极的受害者；他们是试图在艰难世界中航行的积极行动者。

机器学习是让计算机在没有明确编程的情况下行动的科学。