Perhaps we should encourage our local muggers to increase their activity.

Sherlock [on annoying short-term renters next door]

Joan: ...I forgot about the roosters...
Trent Garby: I did, too. Eventually. By moving out.

Oh, if you say it's for the greater good, I am going to punch you!

Joan

Griffin, you seem like an exemplary young man, so perhaps you'd like to explain to me why you have a drug lab in your backyard?

Sherlock

So, your alibi is that you were oiling your chainsaw.

Joan

Joan: I'm sorry I accused you of arson.
Sherlock: Well, I was the obvious suspect.

Sherlock: It's quite an audience today. If it wasn't for the lack of paparazzi, I'd assume that a reality TV star got vivisected.
Gregson: Three Chinese gangsters got shotgunned.
Sherlock: So, less fun.

There's a vast gulf between 'impossible' and 'impossible to imagine.'

Sherlock

Always great to get criminals back on the streets.

Bell

So, would-be murderers are only free to roam the halls and harass the residents during business hours?

Sherlock

Sherlock: I am my mother's son.
Morland: You have more in common than you realize.

Someone call for a doctor?

Joan

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.