Related:

• Never appeal to a man's "better nature." He may not have one.
  Invoking his self-interest gives you more leverage....
• Long's Notes 1) Always store beer in a dark place.
  2) Any priest or shaman must be presumed guilty until proved innocent....
• Never appeal to a man's "better nature." he might not have one.
• It is better to copulate than never. -- Lazarus Long
• Nature (reality) is just as absolutist as chess, and her rules (laws) are just as immutable (more so) -- but her rules and their applications are much
  much more complex, and have to be discovered by man....
• To date, there is only one animal in the Galaxy dangerous to man- man himself.
  He must supply his own indispensable competition. He has no enemy to help him. -- Lazarus Long...
• Do not confuse 'duty' with what other people expect of you
  hey are utterly different. Duty is a debt you owe to yourself to fulfill obligations you have assumed voluntarily....
• Never frighten a little man. He'll kill you. -- Lazarus Long, from Robert A.
  Heinlein's "Time Enough For Love...
• Never frighten a little man. He'll kill you. -- Lazarus Long by Robert A Heinlei