You don't know? I'm telling you, as plainly as I can, what the consequences will be if you do that to me. It's aggression and it's disrespect and I don't want you to do it.

[Luckily for Klaus, he's saved from further lecturing because now that Ari has made her point, the implications of what she's just heard are sinking in.]

Diego? Your brother Diego, he threw a knife at you? That's fucked up. Unless you're going to tell me that you started the fight.