计算机中最重要的东西是操作系统。

过去是一个跟随我们的影子，永远存在，永远萦绕。

As Will Rogers would have said, "There is no such thing as a free variable."

随着年龄增长，我越来越意识到唯一真正重要的是爱和人际关系。

The holographic principle suggests that the information content of a region of space can be thought of as encoded on the boundary of that region, much like a hologram.

The poor are not irrational; they are just as rational as anyone else, but they operate under very different constraints.