模糊逻辑是一种通过让机器能够处理不确定性和不精确性来使其更加智能的方法。

译文：昨天还看见花开，今天就看见花落。花开花落本是无情的自然规律，别怪夜里风雨太狠——人生也是这样无常。

The most important property of a program is whether it accomplishes the intention of its user.

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.