Sara: What do you guys think?
Felicity: Oh I think if the Huntress shows up you should totally kick her ass.

You know us billionaire vigilantes, we do love our toys.

Oliver [to Diggle]

Did you know that as a doctor I could diagnose myself as a giant tool?

Tommy [about Carter Bowen]

Slade: What?
Oliver: I'm trapped on an island and my only friend is named Wilson. So...

Tommy: By my rough estimate, you have no had sex in 1839 days, as your wingman I highly recommend Carmen Golden.
Oliver: Which one is she?
Tommy: The one that looks like the chick from Twilight.
Oliver: What's Twilight?
Tommy: You're so better off not knowing.

You're like a dope fiend who thinks he can deal with his own addiction by making another addict go straight.

Diggle [to Oliver]

Oliver: You need to stay here.
Felicity: You can't just ask me to stay here.
Oliver: I'm not asking. I will come and get you when this is all over.
Felicity: No!
Oliver: Felicityyyy...
Felicity: Not unless you tell me why!
Oliver: Because I need you to be safe.
Felicity: But I don't want to be safe. I wanna be with you and the others. Unsafe.
Oliver: I can't let that happen.
Felicity: Oliver, you're not making any sense.
Oliver: Slade took Laurel because he wants to kill the woman I love.
Felicity: I know, so?
Oliver: So he took the wrong woman.
Felicity: Oh.
Oliver: I love you. Do you understand?
Felicity: Yes.

Thea: Do you have a police radio in your pocket?
Roy: No, I'm just happy to see you.

What happens in Russia stays in Russia. Even when it makes no sense whatsoever.

Felicity

Who are you? Where's my friend Tommy Merlyn? The guy who once rented out a pro football stadium so he could play strip kickball with models.

Oliver

Five years ago I made a promise. Do you remember? Well I'm here to fulfill it. See you around kid.

Slade

Oliver: Mom, I know a little something about sacrificing myself for the good of this city. It's what you need to do now.
Moira: I know.
Oliver Good.
Moira: Oliver. I know. I know. I've known since last year, I suppose. The night of the undertaking everything became so clear. It's pretty much the night I stopped sleeping.
Oliver: Before you say anything else...
Moira: There's nothing else to say. Nothing I need to say. Except I could not be more proud.

Arrow Quotes

There are people in this world who deal only in extremes. It's naive to think that anything less than extreme measures will stop them.

Amanda

Felicity: Where is Billy?
Oliver: I killed Billy.