Steve McGarrett: What kind of sick bastard kills a cop in cold blood?
Danny Williams: One with a serious grudge.

So hand-to-hand combat, parkour, jumping out of airplanes, that's out, right?

Danny [to McGarrett's doctor]

You saved our lives, Jerry. It's been a long time coming, but you deserve it.

McGarrett [to Jerry]

Grover: You do speak Spanish, right?
Danny: Spanish? I barely speak English.

Sang Min: What kind of cops are you?
Steve: The new kind.

Max: The body is still here, he's OK.
Danny: You mean other than the fact that he's dead?

Some guys, they're just born without a fear gene.

Chin

Eric: I'll wait out here.
Danny Williams: It's college, it's not a virus--you can't catch it.

Steve: What was that?!
Wo Fat: Those men are Yakuza, and they are not here to save me, they are here to kill me.

Max: (Sharing my feelings) is something I'm not comfortable with.
Jerry: I get that it isn't easy for you, but you've got to get past that. You're not going to be working with stiffs anymore. You're going to be interacting with living, breathing people on a daily basis. You've got to learn to open up and share your feelings. Trust me. It's a good thing.

War is messy, and I thought you, better than anybody, would understand that, Commander McGarrett.

Campbell [to McGarrett]

Chin Ho Kelly: That was Wo Fat. Wo Fat is a ruthless son of a bitch. W-can I say that on TV?
Savannah Walker: You already did.

Hawaii Five-0 Quotes

Steve McGarrett: What kind of sick bastard kills a cop in cold blood?
Danny Williams: One with a serious grudge.

Danny: Boxing or MMA?
Grover: Boxing, no question