戏剧是向观众提出的一个问题。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The most important thing in directing is to have a clear vision of what you want to achieve.
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。
心灵这张地图，给我们指引前方的道路，而外貌这张地图，则记录我们走过的路途。这张地图从来都不丑陋。
做出伟大工作的唯一方法是热爱你所做的事。
Worth repeating: measure twice， cut once.
