Related:

• Evil does seek to maintain power by suppressing the truth.
  Or by misleading the innocent. -- Spock and McCoy, "And The Children Shall Lead", stardate 5029.5...
• Without followers, evil cannot spread. -- Spock, "And The Children Shall Lead", stardate 5029.5
• Most legends have their basis in facts. -- Kirk, "And The Children Shall Lead," stardate 5029.5.
• Spock: "Humans have no conception." -- "Amok time", Stardate 3372.7.
• Kirk: "Well there it is...war. We didn't want it, but we've got it.
  Spock: "Curious how often you humans manage to obtain that which you do not want....
• What is it in you humans that requires an overwhelming display of emotion in a situation such as this?
  Two men pursue the only reasonable course of action indicated, and yet you feel that something else is necessary....
• I have never understood the female capacity to avoid a direct answer to any question.
  -- Spock, "This Side of Paradise," stardate 3417.3....
• Parents like stupid things. -- Don of the Starnes Expedition, "And The Children Shall Lead," stardate 5029.
  5....
• Humans do claim a great deal for that particular emotion (love).
  -- Spock, "The Lights of Zetar," stardate 5725.6....