Gibbs: What's that?
Ducky: His liver, riddled with inoperable tumors. It doesn't appear to have been under treatment. I'd have given him six months.
Gibbs: Made killing himself easier.
Ducky: Pity does not validate cowardice.

Gibbs: I'm on the other side now. I tried to catch Wescott, he wouldn't let me.
Ducky: No, you can't Gibbs, but you can call him.

(Gibbs and Ducky are in Autopsy, looking over Sgt Wooten's body.)
Ducky: These bruises and lascerations could be consistent with somebody hitting a target repeatedly.
Gibbs: The target was the wife, Duck. I wouldn't blame her if she did this.
Ducky: Nobody would. But that doesn't make it any less of a crime.

Ducky: Tony! Meet former medical examiner, and my esteemed predecessor, Dr Walter Magnus. Magnus is my guest.
Gibbs: Bringing guests to crime scenes now, are you, Duck?
Ducky: Yes, well, only ones that used to be me!

We've gone from Socrates to Snooki.

Gibbs: Facebook. That's that thing that some people... do stuff with?
Ducky: The term is social networking.

(Abby is in the morgue, talking to Lieutenant Thorson's corpse)
Abby: So... I just-I want you to know that... whatever it is... that you're trying to tell me, I promise you, I promise I'll understand.
Ducky: Careful, sometimes they talk back.

Abby: Maybe Tony didn't have a mother. Maybe he was cloned!
Ducky: There certainly is a strong familial resemblance.

Tony: I've heard the saying "he got blown out of his shoes", but I never thought I'd see it.
Ducky: Now if the explosion had knocked his socks off, that would be impressive, wouldn't it?

Ducky: A toast! Close friends and dear family all. A bountiful thanks and good things for Fall!
Abby: And to all a good night! [pause] Wrong holiday.

If we focused less on our differences and more on learning from each other, perhaps that would mean the end of wars.

Ducky: Interesting date for such a ghoulish demise.
Palmer: Yeah, it's a really cool way to go! [silence] Cool, as in the temperature. Liquid nitrogen. Forget it.

NCIS Quotes

Bishop: Seriously? How'd you get that?
Tony: Well, it's like Gorillas in the Midst. You'll get to understand his grunts.

Torres: When I break out the glass, maybe I can rip out the bars.
Bishop: With what? Your superhuman strength?