Thou shalt not optimize. Your users are very thankful to get the information, they don't worry about speed and efficiency. Thou shalt not provide help. If your users can not figure out themselves how to use your software than they are too dumb to deserve the benefits of your software anyway. Thou shalt not document.
Documentation only comes in handy for making future modifications.
You made the software perfect the first time, it will never need modifications. Thou shalt not hurry. Only the cute and the mighty should get the program by deadline. Thou shalt not revise. Your interpretation of specs was right, you know the users' requirements better than them.