Any fool can write code that a computer can understand. Good programmers write code that humans can understand.

Don't include a single line in your code which you could not explain to Anyone in less than a minute.

What is the object oriented way of getting rich? Inheritance.

It should be noted that no ethically-trained software engineer would ever consent to write a DestroyBaghdad procedure. Basic professional ethics would instead require him to write a DestroyCity procedure, to which Baghdad could be given as a parameter.

Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.

If debugging is the process of removing software bugs, then programming must be the process of putting them in.