The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

The concept of a legal system presupposes the concept of a rule.

I don’t create art. I am art.

I'm a big believer in 'to each his own.'

全红婵在一次采访中谈到训练

我想卖出一百万张唱片，我做到了。我想获得白金唱片；我获得了。我从15岁开始就一直在不停工作。我甚至不知道如何放松。