[To Watson] The thing that's different about me, is you.

Sherlock

Sherlock: Bit of a letdown actually, I think I could have gotten 20 times my normal rate.
Watson: What is your normal rate?
Sherlock: Oh. I don't have one, remind me to make one up before we leave.

Sherlock: She died.
Watson: Irene?
Sherlock: We were quite close, I did not take her passing well.

If you're going to wallow you have to do it in the privacy of your own room.

Sherlock

Sherlock: We can tell my father I've hit a bit of a rough patch...
Watson: I took a new job this morning. I'll be starting next week after you and I wrap up.
Sherlock: I see... I'm usually quite good with deductions.
Watson: You okay?
Sherlock: My dear Watson, when ever am I not?

Sherlock: This is personal
Joan: I could say the same thing.

Jim: My name is Jim Fowkes. I am the chief vestment officer. This is Daniel Cho our Chief Financial Officer another in-house board member.
Sherlock: Yep. You're all chiefs of something. What do you want?

Sherlock: Excuse me, might we offer you a drink and some company?
Escort: I'd love a drink.
Sherlock: Excellent, now that's out of the way. My friend and I were wondering what you might charge to sleep with us?

In Sherlock Holmes, I believe.

Rhys

[To Moriarty] She solved you, you know. My mascot.

Sherlock

I've come to appreciate the premise of partnership. It's far more intricate than I could have imagined. The smallest gesture can speak volumes.

Sherlock

You speak idiot?

Sherlock