法律效力的概念对于理解法律的本质至关重要。
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.
创新不是目的，解决问题才是。
The gods have not revealed all things from the beginning to mortals, but, by seeking, men find out better in time.
And never would they make a mistake in the order of their entry upon the stage. It would be magnificent.