[To Mycroft] Did you come back here to sleep with Watson?

Sherlock

Sherlock, are you feeling okay? You're acting... Normal?

Joan

A bug that is a bug. This is something out of a sci-fi movie

Joan

Watson, I value you as a person.

Sherlock

[To Sherlock] Your apologies always seem to come after you've already got what you want

Watson

[To Mycroft] I wish it had taken you. The leukemia. I wish it had taken you to the bones.

Sherlock

Is that what you think Joan is? A counter balance.

Sherlock

As you can see, my brother is a deductive genius

Mycroft

Mycroft meet the NSA, NSA this is Mycroft.

Sherlock

[To Mycroft] Joan's a trained detective, you're a buffoon.

Sherlock

Joan is remarkable in ways you cannot imagine.

Sherlock

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.

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.