Related:

• Never try to explain computers to a layman. It's easier to explain sex to a virgin.
  -- Robert Heinlein (Note, however, that virgins tend to know a lot about computers.)...
• Try to explain a flint and steel to today's youth.
• Never complain and never explain. -- Benjamin Disraeli
• Never try to out-stubborn a cat. -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love
• Never try to explain your hacks to a theoretician - he may understand them better than you do.
  -- Dean Daniels, 3/27/83...
• Sex without love is merely healthy exercise. -- Robert Heinlei
• You don't have to explain something you never said -- Calvin Coolidge
• You don't have to explain something you never said. COOLIDGE