Childhood must end.
SPOCK: Stonn… she is yours. After a time, you may find that having is not so pleasing a thing after all as wanting… It is not logical, but it is often true.
Bonk bonk on the head!
KIRK: Spock is my best officer, and my friend.
AMANDA: I’m glad he has such a friend.
I’m not Ike Clanton!
I am not Herbert.
You are not morg, you are not eymorg. What *are *you?
An echo? 
We reach, brother!
No, a Necco. I hope you relish it as much as I.
You bring this network’s ratings down, Flavius, and we’ll do a special on you.
Yes.
I love Italian. And so do you.
You cannot see me. I’m not there.
Brain and brain! What is brain?!
You are small, like the others. The Givers of Pain … and Delight!
Heh-heh-heh. I never answer questions from plebes, Jimmy Boy.
Tellarites do not argue for reasons. They simply argue.
That hurts worse than the uniform.
No
Actual quote: What we got back…didn’t live very long. Fortunately.