Silverfish looked down."Oh. Are you a dwarf?"Cuddy gave him a blank stare."Are you a giant?" He said."Me? Of course not!""Ah. Then I must be a dwarf, yes.

You're being reasonable again!" snapped Angua. "You're deliberately seeing everyone's point of view! Can't you try to be unfair even once?

That's old Twoflower, Rincewind thought. It’s not that he doesn’t appreciate beauty, he just appreciates it in his own way. I mean, if a poet sees a daffodil he stares at it and writes a long poem about it, but Twoflower wanders off to find a book on botany. He just looks at things, but nothing he looks at is ever the same again. Including me, I suspect.

It's useful to go out of this world and see it from the perspective of another one.