The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
我不是历史,我是谜。
坏女人给我麻烦。好女人令我厌烦。这就是她们唯一的不同。
自由是告诉人们他们不想听的事情的权利。
要改变一个人,必须改变他对自己的认知。
The most powerful art is often the most personal.