What gets us into trouble is not what we don't know, it's what we know for sure that just ain't so. -Mark Twain
The first rule of intelligent tinkering is to save all the parts. -Murphy's Laws of Computers
Any coward can fight a battle when he's sure of winning, but give me the man who has pluck to fight when he's sure of losing. That's my way, sir; and there are many victories worse than a defeat. -George Eliot