预测未来的最好方法就是创造未来。

A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise.

我们必须倾听土地的声音 - 只要我们愿意听，它会告诉我们它的需求。

形式化方法的美在于它们能够提供关于系统正确性的绝对确定性。