> Joel Moses has been credited with coining the phrase in the 1970s > APL is like a beautiful diamond – flawless, beautifully symmetrical. But you can't add an

> Joel Moses has been credited with coining the phrase in the 1970s > APL is like a beautiful diamond – flawless, beautifully symmetrical. But you can't add anything to it. If you try to glue on another diamond, you don't get a bigger diamond. Lisp is like a ball of mud. Add more and it's still a ball of mud – it still looks like Lisp. > Moses strongly denies this, claiming he instead called Lisp a bean bag because it always returns to its original shape.