"Ah. You do admit that you've allowed yourself to be collared by the well-meaning intentions of Asgard." Vader felt the need to pace around the room, but as he knows his medic would see this as aggravating, resigned himself to simple verbosity.
"To follow the orders of a good commander is not similar to being a slave. If the command if well chosen and balanced in both necessity and reaction, then there is no need for the troops to question one's orders." Here he had to stop and collect his thoughts. Never before had he voiced his thoughts on this matter. At least not in a way that would not have sounded like the megalomanical delusions of an insane Force-adept.
After all, he was many things, but insane wasn't one of them.
"A commander should always fight at the front, beside his soldiers. There must never be a wall of rank and status between himself and those that most probably will die for him."