"I'm not teaching you any magic if you poison me."

Strange is fairly certain that this is Billie joking and being difficult for the sake of being difficult, but Strange is just going to point out the obvious here. No poisoning him please, that's a terrible idea.

"Besides, your comparison is off. The dragons gave us this magic as a gift. If they wanted to kill us, they would have done so."

He calls the knife back to him, still magically floating that thing through the air at a remarkably slow pace.