“Captain James T. Kirk: I'm sorry about your father.
Spock: Yes, it could adversely affect our mission.
Captain James T. Kirk: Aren't you worried about him?
Spock: Worry is a human emotion, Captain. I accept what has happened.”
More from D. C. Fontana
“Spock: Oochy-woochy kootchie-koo, Captain? Captain James T. Kirk: An obscure Earth…”
“Amanda: After all these years with humans, you still haven't learned to smile. Spock:…”
“[to Spock] All right, you mutinous, disloyal, computerized half-breed. We'll see about you…”
“I have a responsibility to this ship, to that man on the bridge. I am what I am, Leila. If…”