You must be looking forward to moving day. It's not often the doghouse is a step up!

Sherlock

Straight lines hurt you as a child?

Sherlock [on an architectural design]

Joan [on the files Sherlock is carrying]: What's all this?
Sherlock: Illumination!
Joan: It is if you put it in the fire.

So, you got the plan's to Busquet's building and used them to break into his office so you could re-steal the plans to Hull's building that were leaked.

Joan

Sherlock: It's a brag made of brick, stone, and drywall.
Henry Baskerville: My late father built it. After he plowed over two farms and a school. He named it 'Baskerville Hall.'
Sherlock: Small wonder that your father and mine were friends.

Joan: Where are you going?
Sherlock: It's the first Thursday of the month!
Joan: Wait, you're leaving to go play chess?!

Is he also modified to account for his whereabouts the night Charles Baskerville was murdered?

Sherlock [about a genetically-modified dog]

Only slightly less outrageous than the glowing mastiff, wouldn't you think?

Sherlock [regarding an attack robot]

So someone bought his stolen patents... and made a Terminator.

Gregson

You named your killer robot 'Gus'?

Joan

You're standing on a precipice, and I cannot watch you tumble over it, mate. I refuse to. Alright?

Sherlock

We created a vacuum, and the air rushed in. Or more specifically, the heiress.

Sherlock

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.