You're not supposed to be an "asset," you're supposed to be a scientist, an impartial seeker of truth! But you're not! You're a charlatan! And you've sent at least one innocent man to prison, Louis Bowman!

Sherlock

Joan: You know, we don't have to do this whole 'secret agent' thing. We could just, ah, talk like normal people.
Emil Kurtz: That's easy for you to say. You're not the one spying on Morland Holmes!

Sherlock: You're typically more expansive after your first hit of caffeine.
Joan: Yeah, well, you brought a bald cat to breakfast. I'm a little distracted.

I'm quite certain they were staging a fake murder when they fell victim to two real ones.

Sherlock

So, I walked all the way to the eastern edge of the property, and I did not find a thing. No dead bodies, no secret hideouts, no smoke monster. There's plenty of mud, though.

Joan

Which one? Our overgrown putt-putt golf course? Or our condemned warehouse full of asbestos?

Davis Potter [on his business properties]

I'll change the locks post-haste. Set a few traps.

Sherlock [on his father visiting the brownstone]

If I'm right, this is not the scene of a triple murder, it's the scene of a double murder and an assassination!

Joan

'My dad brokers in global misery' doesn't usually come up.

Sherlock

If anything happens to them, the next time you see me I won't be a cop.

Gregson [to Morland]

You forgot your drain hair!

Joan

Joan: She puts dates in her little love notes?
Sherlock: No, I do.

Elementary Quotes

Holmes: Why do you suppose you hate your job so much?
Watson: I don't hate my job.
Holmes: You have two alarm clocks. No one with two alarm clocks loves their job. Two alarm clocks mean it's a chore for you to get up in the morning.

Watson: How do you do it, guess things?
Sherlock: I observe and then I deduce.
Watson: How did you know I was a doctor, you said you could tell from my hands.
Sherlock: Hand, singular. It was soft no calluses.
Watson: How did you know my father had an affair?
Sherlock: Google. Not everything is deducible.