Related:

• Scars of pleasure, Scars of pain.
• No pain here, no dull empty hours, no fear of the past, no fear of the future.
  Drinking this champagne water is pure pleasure, so is breathing the living air. -- John Mui...
• It is the pleasure of reward rather than the pain of punishment that motivates people.
• Pleasure is nothing else but the intermission of pain. -- John Selden (1584-1654)
• Every moment of pleasure in life has to be purchased by an equal moment of pain.
  -- Danilo O'Dell, "Up the Long Ladder", stardate 42823.2...
• Science is a wonderful thing, but it has not succeeded in maximizing pleasure and minimizing pain, and that's all we asked of it.
• Sometimes pain can drive a man harder than pleasure.
  -- Kirk, "the Alternative Factor," stardate 3088.7....
• Temperance. . .I call it the exercise of our faculties and organs in such a manner as to combine the maximum of pleasure with the minimum of pain.
• To frown at pleasure, and to smile in pain.
  -- Edward Young (1684-1765) - Night Thoughts, Night viii, Line 1045...