The Robert C. Martin Clean Code Collection (Collection)

If you decide to write a comment, then spend the time necessary to make sure it is the best comment you can write.

It takes only a few seconds of thought to explain most of your intent in code. In many cases it’s simply a matter of creating a function that says the same thing as the comment you want to write.

Rather than spend your time writing the comments that explain the mess you’ve made, spend it cleaning that mess.