Related:

• Love your country but never trust its government.
  -- from a hand-painted road sign in central Pennsylvania...
• Never underestimate the power of human stupidity. -- Robert Heinlein, Time Enough for Love
• Never frighten a little man. He'll kill you. -- Lazarus Long, from Robert A.
  Heinlein's "Time Enough For Love...
• Never try to out-stubborn a cat. -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love
• Love is that condition in which the happiness of another person is essential to your own.
  -- Robert A. Heinlei...
• Yield to Temptation ... it may not pass your way again.
  -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• Love" is that condition in which the happiness of another person is essential to your own.
  -- Jubal in _Stranger in a Strange Land_ by Robert A Heinlei...
• Your enemy is never a villain in his own eyes. Keep this in mind
  it may offer a way to make him your friend. If not, you can kill him without hate - and quickly....
• Place your clothes and weapons where you can find them in the dark.
  -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...