Related:

• It may be better to be a live jackal than a dead lion, but it is better still to be a live lion.
  And usually easier. -- Lazarus Long...
• Never try to outstubborn a cat. -- Lazarus Long
• Never appeal to a man's "better nature." He may not have one.
  Invoking his self-interest gives you more leverage. -- Lazarus Long...
• Never appeal to a man's "better nature." He may not have one.
  Invoking his self-interest gives you more leverage....
• Never underestimate the power of human stupidity. -- Lazarus Long by Robert A Heinlei
• Never try to outstubborn a cat. -- Lazarus Long, "Time Enough for Love