Related:

• There are always alternatives. -- Spock, "The Galileo Seven," stardate 2822.3.
• It is more rational to sacrifice one life than six.
  -- Spock, "The Galileo Seven," stardate 2822.3....
• Life and death are seldom logical. But attaining a desired goal always is.
  -- McCoy and Spock, "The Galileo Seven," stardate 2821.7...
• Totally illogical, there was no chance. -- Spock, "The Galileo Seven," stardate 2822.3.
• Kirk: "You're not going to admit that, for the first time in your life, you made a completely emotional decision based on desperation?
  Spock: "No, sir." Kirk: "Mister Spock, you're a stubborn man!...
• I realize that command does have its fascination, even under circumstances such as these, but I neither enjoy the idea of command nor am I frightened of it.
  It simply exists, and I will do whatever logically needs to be done....
• The release of emotion is what keeps us healthy. Emotionally healthy.
  That may be, Doctor. However, I have noted that the healthy release of emotion is frequently unhealthy for those closest to you....
• Data: "Ambassador Spock, may I ask a personal question?
  Spock: "Please." Data: "As you examine your life, do you find that you have missed your humanity?...
• We're a most promising species, Mr. Spock, as predators go.
  Did you know that? I frequently have my doubts. I don't....