" I’ve mentioned Parkinson’s law in a couple of my other books. It dovetails nicely with the 80/20 rule. This law states that “work expands to fill the time available for its completion.” So if you give yourself five hours to clean your home, you’ll take five hours. If you shorten the available time frame to two hours, you’ll get everything done in two hours. "

― Damon Zahariades , 80/20 Your Life! How To Get More Done With Less Effort And Change Your Life In The Process!