Hitler consider Blond Hair, Blue eyed Europeans, Which he called the Aryan race, to be decedents from bloodline between mortals and a Greek God. But he wanted them to be pure. You couldn't have any other type of blood in your system, i.e. African, Asian, etc. Pure European. He thought that other races were here to serve the Aryan race. But the Jews were an Evil enemy that had to eliminated. He believed the Jews had a world-wide conspiracy against the Aryan race.