法律体系的存在以承认规则的存在为前提。

"The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'"

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

你无法改变过去，但你可以塑造未来。

成功的数据管理的关键是理解数据。如果你不理解你的数据，你就无法有效地管理它。