And if you don't like it, Leonard, then go. Aliens, angels, all of it matters. And if you so much as dare say that I don't care about those things again, I'll find you and show you how much I care!
You've just made one of the worst enemies you could imagine. You know absolutely nothing about me, and you're going to learn everything. I'm Captain Jack Harkness of Torchwood. I'm here to protect the aliens, angels, and anything else that doesn't 'belong' here, according to you, from people like you. People who want to change everything, and twist it so it benefits them.
You're not a Fed, you're a pathetic excuse of a bad cop. Someone who wants to make everyone believe he's doing something right by digging his nose into conversations between someone and their previous employee. If I want to tell Dean to love his car, and you mistake it for something else, that's your problem! And if I say that the Impala can be turned back into a car at any given moment, it's because it can! You know nothing about this time period, this town, or this planet. And as far as I'm concerned, you're far to ignorant to even want to know anything about it because of that 'cocky attitude' of your own.
So listen to me, doctor. When you've lived as long as I have, and you've seen what I have, and you've done the things I have. Protected the aliens, people, and creatures alike. Saved the planet, and help the most amazing man in this entire universe save the universe, then you'll have room to talk. Until then? You can take your badge, and whatever creditials you think are valid, and shove them where the sun doesn't shine.
And if I don't make myself crystal clear? I'll rephrase it in simplier terms for you.
You know nothing about this place. Educate yourself before you pick a fight, or you might end up on the wrong side of things. And I have no problem correcting that.