No

“Why not ask yourself whether your other dreams are real? You go on trips and undergo the strangest experiences every night. How do you know they only take place in your mind?”
― Walter Moers

“Sometimes, in the course of my hopeless quest, I would pick up and dip into one of the ordinary books that lay strewn around the castle. Whenever I did, it seemed so insipid and insubstantial that I flew into a rage and hurled it at the wall after reading the first few sentences. I was spoilt for any other form of literature, and the mental torment I endured was comparable to the agony of unrequited love compounded by the withdrawal symptoms associated with a severe addiction.”
― Walter Moers, The City of Dreaming Books

“But when there’s light, there’s darkness as well.”
― Walter Moers

“The written word is redundant on the high seas. Why? Because paper gets wet too easily.”
― Walter Moers, The 13½ Lives of Captain Bluebear