Okay,
a) I don't think that was Hitler
b) I'm pretty sure that quote doesn't literally mean take all arms away from the citizens, it means to take power from them, make them obedient and subservient and manipulate them into supporting anything you (the hopeful dictator) say...
looked it up, he never said this. and before i get thumbed down i DO support gun rights. I just don't want people to start saying this and sounding dumb and making us look bad