Related:

• A human being should be able to change a diaper, plan an invasio
  butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, and die gallantly....
• Never underestimate the power of human stupidity. -- Robert Heinlein, Time Enough for Love
• Being generous is inborn; being altruistic is a learned perversity.
  No resemblance ... -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• The greatest productive force is human selfishness.
  -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• Take care of the luxuries and the necessities will take care of themselves.
  -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• Belief gets in the way of learning. -- Robert Heinlein, Time Enough for Love
• Waking a person unnecessarily should not be considered a capital crime.
  For a first offense, that is. -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• Everything in excess! To enjoy the flavor of life, take big bites.
  Moderation is for monks. -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• When the need arises -- and it does -- you must be able to shoot your own dog.
  Don't farm it out -- that doesn't make it nicer, it makes it worse....