The only way to learn a new programming language is by writing programs in it.
The problem with marriage is that it ends every night after making love, and it must be rebuilt every morning before breakfast.
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.
手书黄埔军官学校训词(中国国民党党歌词,中华民国国歌歌词)