Quote from : The Iron Man: A Children's Story in Five Nights Book

If you're all so peaceful up there, how did you get such greedy and cruel ideas?" The dragon was silent for a long time after this question. And at last he said: "It just came over me. I don't know why. It just came over me, listening to the battling shouts and the war-cries of the earth - I got excited, I wanted to join in.