Related:

• Death, when unnecessary, is a tragic thing. -- Flint, "Requiem for Methuselah," stardate 5843.7.
• To be human is also to seek pleasure. To laugh -- to dance.
  -- Flint, "Requiem for Methuselah," stardate 5843.7....
• he intellect is not all -- but its cultivation must come first, or the individual makes errors -- wastes time in unprofitable pursuits.
  -- Flint, "Requiem for Methuselah," stardate 5843.7....
• The joys of love made her human and the agonies of love destroyed her.
  -- Spock, "Requiem for Methuselah," stardate 5842.8....
• Those pressures are everywhere -- in everyone, urging him to what you call "savagery.
  The private hells -- the inner needs and mysteries -- the beast instinct....
• he things love can drive a man to -- the ecstasies, the miseries, the broken rules, the desperate chances, the glorious failures and the glorious victories.
  -- McCoy, "Requiem for Methuselah," stardate 5843.7....
• What is loneliness?
• This is loneliness? What a bitter thing ... it's so sad.
  How do you bare it, this loneliness? -- Commissioner Nancy Hedford/The Companion, "Metamorphosis," stardate 3220....
• What a horrible way to die. -- Worf referring to dying while sleeping, "The Royale", stardate 42625.
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