| Quote |
| Spock : | "It is more rational to sacrifice one life than six, doctor." | | to McCoy |
|
| Spock : | "Mister Scott, there are always alternatives." | | to Scotty; a much used quote |
|
| McCoy : | "Mister Spock, respect is a rational process! Did it ever occur to you they might react emotionally? With anger?" | | to Spock |
|
| Boma : | "I'm sick and tired of this machine!" | | to McCoy; regarding Spock |
|
| McCoy : | "It may be the last action you'll ever take, Mister Spock, but it was all human." | | to Spock |
|
| Spock : | "I examined the problem for all angles and it was plainly hopeless. Logic informed me that under the circumstances the only possible action would have to be one of desperation. A logical descision, logically arrived at." | | to Kirk |
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