The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

我写作不是为了忏悔，而是为了探索可言的界限。

I'm sorry mama, I never meant to hurt you. I never meant to make you cry, but tonight I'm cleaning out my closet.

对称性是降低复杂性的概念（协同例程包括子例程）；到处寻找它。