Oliver: The explanation is simple: Chase is right. All the people who are down here - around me. They either suffer, or they die.

Diggle: It's just you and me now, Oliver. You don't have to talk to me. I just don't think you should be alone.
Oliver: I think I should. Why don't you just leave?

Diggle: Anatoly?
Anatoly: John Diggle. My favorite American.

Suit up? We don't have... oh, you meant figuratively because we don't have suits.

Curtis

Felicity: You murdered someone.
Alena: Accidentally and for a good cause.

Is there any chance that Oliver never paid the electric bill?

Rene

Seems like Cisco spent so much time making this place impenetrable, he's turned it into an impenetrable death trap.

Felicity

Diggle: If you're just going to stand there, you might as well say something.
Lyla: I thought you were sleeping.

Lyla: Didn't know we were having a party.
Rene: I sense some marital tension.

I can't believe you actually compared Team Arrow to this clandestine government sewer agency.

Diggle

Lance: Thea, what are you doing here?
Thea: Nice to see you, too.

Oliver: Do we have a suspect?
Lance: Yes, we do.
Oliver: Who?
Dinah: Your father.

Arrow Quotes

I thought you took that book off your father's dead body. How could he have been so chatty?

Diggle

She was my sister. I couldn't be angry because she was dead. I couldn't grieve because I was so angry, that's what happens when your sister dies while screwing your boyfriend.

Laurel