McCoy: Well, I had to see it to believe it.
McCoy: They’re about to lop off the captain’s professional head, and you’re playing chess with the computer.
Spock: That is true.
McCoy: Mr. Spock, you’re the most cold-blooded man I’ve ever known.
Spock: Why, thank you, Doctor.
Star Trek – Season 1: Episode 14 – “Court Martial”