"These barbarians pretend to be submissive, but they're dangerous. They could bear their fangs at us at any time. They are, after all, a species completely comprised of warriors. It's always best to put a sleeping beast down, before it can be awakened."
—Frieza on the Saiyans, Dragon Ball Super: Broly
You've been around me long enough to know my first rule. Never let your follower become more powerful than yourself.