Spock: Do not risk the ship further on my behalf.
Leonard McCoy: Shut up, Spock! We're rescuing you!
Spock: Why, thank you, Captain McCoy.

------ The Immunity Syndrome-----

Captain Kirk: Who wanna be like them?
(To Alexander "Plato's stepchildren")

Bones: Please, Spock, do me a favor. Don't say it's FASCINATING...
Spock: No...but it is...INTERESTING...


---- The Ultimate Computer ----

Now this is a drink for a man. -- Scott
Scotch? -- Checkov
Aye. -- Scott
It vas inwented by a little old lady in Lenningrad. -- Checkov (The Trouble With Tribbles)

"There are other forms of intelligence on Earth, Doctor; only human arrogance would assume the message must be meant for man." ~ Spock (The Voyage Home)

"Is there anyone on this ship, who even remotely, looks like Satan?" -- Kirk
"I am not aware of anyone who fits that description, Captain" -- Spock
"No, Mr. Spock, I didn't think you would be" -- Kirk
(The Apple)

and this one:

"Spock, where the hell's the power you promised?" -- Kirk
"One damn minute, admiral" -- Spock
(Star Trek IV)