Whatever you choose, your choice will mean there are two new worlds. And perhaps sometimes, on the edge of sleep, we will see the shadow of the other world. There will be no unhappy memories.
Terry PratchettAnd Sam Vimes thought: Why is Young Sam's nursery full of farmyard animals anyway? Why are his books full of moo-cows and baa-lambs? He is growing up in the city. He will only see them on a plate! They go sizzle!
Terry PratchettMost horses don't walk backwards voluntarily, because what they can't see doesn't exist.
Terry Pratchett