"You're not looking for a fight," he says, "but you came here to tell me I was wrong, anyway. Don't you think I know that?"

Well, he knows he went about expressing what he was trying to tell Leia all wrong. Or maybe it wasn't something he should've been telling her at all. But either way, he doesn't plan on involving himself in any discussions related to Alderaan in general or Bail Organa specifically in the future.

That may or may not be the lesson he should have learned.