设计的过程是一个发现的过程。
The process of design is a process of discovery.
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.
创新和务实必须齐头并进。
孔子说：“唯女子与小人难以对付。太亲近了，他们就会失礼；太疏远了，他们就会怨恨。”