When you realize this is where you belong. In a place like this, Sherlock. WIth people like me. I was going to be there to watch you fall. Why do you keep fighting it, huh? Why put yourself through this? We both know it's just a matter of time. So why not just cut to the chase?

Oscar

Oscar: I was good to you, Sherlock. I was your friend.
Sherlock: You were a cancer to me, Oscar. And I to you.

A junkie in the city is like a needle in a haystack. That's a job for Sherlock Holmes.

Oscar

I'm no closer to using today, than I was yesterday.

Sherlock

Oscar: Wow. You're, like, cured now.
Sherlock: That's the dumbest thing I've ever heard you say. And I've known you for a long time.

Sherlock: Is this a heroin den?
Oscar: I suppose those are bad for people in recovery? Sucks to be you.

Tell me this … if he gets into trouble, who is going to help him?

Gregson

The truth is the 11th Precinct is where I want to be.

Gregson

What does Buddhism have to do with erectile dysfunction?

Joan

I love what we do. You. Me. Marcus. Holmes. It's not some report that shows up on my desk. I'm a part of this.

Gregson

Griffin: So what? This guy is just insane?
Sherlock: Or a canny fundraiser.

Joan: You're getting stung on purpose?
Sherlock: Obviously.