你和我各有一个苹果，如果我们交换苹果的话，我们还是只有一个苹果。但当你和我各有一个想法，我们交换想法的话，我们就都有两个想法了。

States are inherently aggressive and expansionist.

The beauty of algorithms lies in their ability to solve problems that seem insurmountable at first glance.

唯一能拯救世界的是重新获得对世界的意识。