| Quote | 
| | Spock : | "On my planet, to rest is to rest. To cease using energy. To me, it is quite illogical to run up and down on green grass using energy instead of saving it." |  |  | to Kirk | 
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| | McCoy : | "You've got your problems, I've got mine. But he's got ours, plus his, plus four hundred and thirty other people." |  |  | to Sulu; on Kirk | 
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   | Barrows : | "Don't peek!" |  | McCoy : | "My dear girl, I am a doctor. When I peek, it's in the line of duty." |  | 
| | Kirk : | "The more complex the mind, the greater the need for the simplicity of play." |  |  | to Sulu | 
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