This exchange always gets me. Speaks so clearly about Kirk and Spock's friendship and loyalty to each other.
: [to Kirk] I still have a few questions I'd to ask about you two. Oh, and don't give me that "Questions about little old us?" look. You know as well as I do how out of place you two are around here.
: Interesting. Where would you estimate we belong, Miss Keeler?
: [to Spock] You? At his side, as if you've always been there and always will.
: [to Kirk] And you... you belong... in another place.
The words are beautiful, but I think Collins' tone adds a lot to the eerie, haunting quality of the scene, as well as the background string music.