Ah, but in stage direction, there is no comma. Check and mate my little friend.
***
Not a direct quote, but the basic gist is in there. But it's also in a lot of other books, too. LeVey plagiarized/paraphrased most of what is in the Satanic Bible from earlier writings and beliefs. Or as practitioners would say, "distilled." Ah well, if Shakespeare can do it, I guess anyone can.
I can't speak to whether or not Art is in the Satanic Bible.