C语言古怪、有缺陷，但却取得了巨大的成功。

模糊逻辑并非模糊思维，而是一种关于不精确性的精确逻辑。

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

The investor's chief problem—and even his worst enemy—is likely to be himself.