— Alone is what I have. Alone protects me.
— No, friends protect people.

[John is handcuffed]
— Joining me?
— Yeah. Well, apparently it's against the law to chin the Chief Superintendent.

— You are insane!
— You are just getting that now?

— Hello, Greg.
...
— Is that why you're calling yourself "Greg"?
— That's his name.
— Is it?
— Yes. If you'd ever bothered to find out.

Give Sherlock five minutes on your crime scene, and listen to everything that he has to say. And as far as possible... try not to punch him.

Apparently, it's going to save the world, I'm not sure how, but give me a moment, I've only been on the case eight second.

I've always assumed that love is a dangerous disadvantage. Thank you for the final proof.

Get out, I need to go to my mind palace.

— Smoking indoors, isn't there one of those... One of those law things?
— We're in a morgue. There's only so much damage you can do.

Stop boring me and think. It's the new sexy.

— I wish you could have worn the antlers.
— Some things are best left to the imagination, Mrs Hudson.

You may not be the most luminous of people, but as a conductor of light, you are unbeatable. Some people who aren't geniuses have an ability to stimulate it in others.

He's writing sad music. Doesn't eat, barely talks, only to correct the television. I'd say he was heart-broken, but, well, he's Sherlock. He does all that anyway.

— I need a case.
— You've just solved one, by harpooning a dead pig, apparently!
— Oh, that was this morning.

— OK, the smoking, how did you know?
— The evidence was right under your nose, John, as ever you see, but do not observe.
— Observe what?
— The ashtray.