The power of abstraction is that it allows us to reason about systems at a higher level, without getting bogged down in the details.
抽象的力量在于它允许我们在更高的层次上推理系统，而不会被细节所困扰。
在计算学习的背景下，“可能近似正确”（PAC）学习的概念为理解学习算法的效率和可行性提供了一个框架。
最大的快乐就是没有快乐，最大的荣 誉就是没有荣誉。指快乐和荣誉都是相对而言的。
I like stories where the boundaries between reality and fantasy are blurred. I like the idea that the world is not as simple as it seems.
There is a stubbornness about me that never can bear to be frightened at the will of others. My courage always rises at every attempt to intimidate me.
我不是一个说唱歌手，我是一个适应者。我可以适应任何情况。
The best way to understand contemporary art is to look at lots of it.
地球是一个具有特定组织的宇宙个体，一个被赋予明确结构的建筑。