For the glory, for the money and for the fun. Mostly for the money!
Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.
IT errors are like snowflakes
They didn't drop the ball. They dropped the ball, kicked the coach in the nuts and took a crap in the quarterback's mouth
If they see a scrambled mass of code that looks like it was written by a bevy of drunken sailors, then they are likely to conclude that the same inattention to detail pervades every other aspect of the project