Diggle: If this is an ARGUS thing, Lyla's gonna want it to stay that way.
Oliver: Then tell her to stop letting people get killed in my city.
Diggle: You really don't care about my marriage, do you?
Oliver: Well I would, if you and Lyla were still married.

This thing with Palmer, it's messing with his head, Felicity, and that's dangerous.

Oliver: John, I don't want to die down here.
Diggle: So don't, Oliver.

Laurel, we'll know. I know this doesn't count for much but, me and Lyla, we're naming the baby Sara. We will never forget.

Listen, Sara was my friend, too and if you think you're going after her alone you couldn't possibly be more wrong.

Diggle: Oliver you'd be dead ten times over if it wasn't for me!!!
Oliver: You're right. But this is my crusade and this is my decision.

Diggle: You love her. You even told her so.
Oliver: I was trying to fool Slade.
Diggle: Yes. Except now the only person you're fooling is yourself.

Keep this up and there will be two kinds of criminals left in Starling City. The ones we put away and the ones running scared.

Diggle: I can't let you out of my sight. And you're sick of seeing me wherever you go so; lurking seemed like a good compromise.
Thea: Yeah well, it's not.

Last night the man who killed my brother showed more character than the woman charged with protecting the world. Good and bad is not so clear to me. One thing I do know for sure, black and white, is that I can't ever lose you again.

Diggle: A girl needs her father.
Deadshot: No, not this father. The best thing I can do for her life? Not be in it.

Diggle: Who is that?
Sara: His name is Slade Wilson and unless we stop him he's going to kill Oliver and his entire family.

Arrow Quotes

Laurel: Helena, you don't have to do this.
Helena: Yes, I do. Because once you let the darkness inside, it never comes out.

Every warrior must learn the simple truth -- that pain is inevitable and suffering is optional.

Malcolm