Related:

• Never worry about theory as long as the machinery does what it's supposed to do.
  -- R. A. Heinlei...
• Always listen to experts. They'll tell you what can't be done, and why.
  Then do it. -- Lazarus Long by Robert A Heinlei...
• Never underestimate the power of human stupidity. -- Lazarus Long by Robert A Heinlei
• What a wonderful world it is that has girls in it! -- Lazarus Long by Robert A Heinlei
• Always listen to experts. They'll tell you what can't be done, and why.
  Then do it. -- Lazarus Long, from Robert A. Heinlein's "Time Enough For Love...
• To be "matter of fact" about the world is to blunder into fantasy--and dull fantasy at that, as the real world is strange and wonderful.
  -- Lazarus Long by Robert A Heinlei...