DeForest Kelley as McCoy: "Behold, I am the archangel Gabriel."

Leonard Nimoy as Spock: "I fail to see the humor in that situation, doctor."

Kelley: "Naturally. You could hardly claim to be an angel with those pointed ears, Mr. Spock, but say you landed some place with a pitchfork..."

Leonard Nimoy: "I had no idea you were that much of an historian, Doctor."

DeForest Kelley: "I am not, Mr. Spock, I was simply trying to stop you from giving us a whole lecture on the subject."

DeForest Kelley: "Must you always be so blasted honest!"

DeForest Kelley: "I'm trying to thank you, you pointed-eared hobgoblin!"

Barbara Babcock as the voice of the computer: "Incomplete... but sufficient."

Barbara Babcock: "Computer on."

Teri Garr as Roberta Lincoln: "Who do you think you are?"

Voice: "Intruder alert... intruder alert."

Leonard Nimoy: "Live long and prosper."