- Spock: Thank you for your advice. If I can ever return the favor, please do not hesitate to ask.
- Nurse Christine Chapel: What are friends for?
- Spock: [whispers to himself] What are friends for?
- Nurse Christine Chapel: It was rhetorical, Spock.
- Spock: Oh, I know. Humans are almost as easy to tease as Vulcans.
- Barjan T'Or: Humans evolved from apes, did they not? You've kept many of their charming qualities, it would seem.
- Nurse Christine Chapel: They're gonna nerve pinch us for this, aren't they?
- Dr. M'Benga: [chuckles] Yes, probably.