The most packed article on unit testing I’ve ever read. It contains a crushing amount of facts per paragraph, and there’s nothing in it you couldn’t agree with.

If this doesn’t convince the doubting Thomases, then nothing will.

You know what your code needs to do. Then you make it do it. Even if you don’t have a working system, you can see your code actually run and actually work. You get that great “I’ve done it!” feeling. Now repeat every minute or so. Just try test-first if you want to be high on endorphins, proud about your work, and motivated to do more.