Imagination is only intelligence having fun. A healthy mind knows how to switch between worlds, and which one you need to eat and sleep in.
Stories of imagination tend to upset those without one.
Imagination, not intelligence, made us human.
I've always felt that what I have going for me is not my imagination, because everyone has an imagination. What I have is a relentlessly controlled imagination. What looks like wild invention is actually quite carefully calculated.
I'm up to my neck in the real world, every day. Just you try doing your VAT return with a head full of goblins.
Granny knew all about bad fortune-telling. It was harder than the real thing. You needed a good imagination.
He'd always known that the world was an interesting place, and his imagination had peopled it with pirates and bandits and spies and astronauts and similar. But he'd also had a nagging suspicion that, when you seriously got right down to it, they were all just things in books and didn't properly exist anymore.
Look, he said to his imagination, if this is how you're going to behave, I shan't bring you again.
It was octarine, the colour of magic. It was alive and glowing and vibrant and it was the undisputed pigment of the imagination, because wherever it appeared it was a sign that mere matter was a servant of the powers of the magical mind. It was enchantment itself. But Rincewind always thought it looked a sort of greenish-purple.