He is naturally extremely arrogant, which has resulted in a degree of carelessness and inability to realize his own failures, continuing to create his creatures with the same programmed beliefs about the nature of existence simply because he believes it, failing to recognise that his creatures 'self-destruct' because of the spiritual void in their existences and dismissing his 'failures' as just mistakes in the equipment. For this reason in the second book the programing to prevent killing of humans is breaking, and two of his creations have experienced severe mutations.