Tolkien is eminently filmable, I think. 'The Lord of the Rings' is intensely... landscaped. But 'Discworld' is about dialogue, which is one reason why it might be hard to film.

His grief he will not forget; but it will not darken his heart, it will teach him wisdom.

Lord of the Rings, I think, is far and away the most brilliantly done stuff.

The road goes ever on and on

I’m reminded of a book my father used to read me,” she said. “A bunch of elves and things get into a huge war over a piece of jewelry that everybody wants but nobody can wear.

I think 'The Lord Of The Rings' is the mother of all cult books, because you can be in that cult and not even know you're in it.