The lying, cheating husband and the scheming, cheating wife. How could this relationship not work out?

Harry

Goodbye, buddy. Good work today.

Noelani [to Eddie]

You got a Cowboys fan dating a Redskins fan...it's like the Capulets dating the Montagues.

Danny Williams

I don't know what those [emojis] mean. Can you help me, millennials?

Danny [to Tani and Junior]

Grover: You're talking about car salesmen here.
McGarrett: So what?
Grover: They are masters of psychological warfare, coupled with the fact that they are all born liars. Have you ever bought a car before?

It's fine. I'll have an underseasoned burger.

Danny

I finally accepted that that chapter of my life is over, and I'm ready for what's next.

Adam [to Tamiko]

You are saying I'm in the presence of greatness right now.

McGarrett [to Magnum]

No, no. It's not because you're a woman it's because you're a rookie. Which is... way worse.

Danno

Adam: They would see one thing, Hiro Noshimuri son; the heir apparent to the head of the Yakuza.
Kono: They won't see that if you're clean.
Adam: I'm getting there.

Whatever you do, don't open a restaurant. One bad Yelp review and you can kiss your pension goodbye.

Tanaka [to Danny]

Danny: You invaded my privacy. I have a right to be upset, OK?
McGarrett: It's not snooping if something is out in the open. That's the rule.
Danny: There's no rule.
McGarrett: Are you serious? If it's not hidden, it's not forbidden. You've never heard of that?
Danny: No, I've never heard of it, because you just made it up.

Hawaii Five-0 Quotes

I just wanted to tell you I'm so sorry, so sorry.

Danny [to Marie]

Dealer: Game's closed unless you have an invitation.
Grover [holding up his badge]: Here's my invitation. It's even engraved.