Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

Every work of art is an uncommitted crime.

数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

现实不仅是能够被复制的东西，而且是总是已经被复制的东西。

The more you give, the more you get.

Quality is remembered long after the price is forgotten.

我爱您是不可以数量计算的。