" The line came from a legend about a hunter who was relating an experience he had on safari. “This huge lion was racing toward me, and all my gun bearers had fled. I had no gun, and there was nowhere to hide. Not a bush or a tree in sight. And the beast was charging straight at me, coming closer and closer.” “How did you escape?” a listener asked. “I ran over to the nearest tree and climbed it.” “But you said there were no trees.” “You don’t understand. There has to be a tree!” And I have to find it, Robert thought. He "

― Sidney Sheldon , The Doomsday Conspiracy