Scrum asks those who engage in it to break from the mind-set of measuring merely hours. Hours themselves represent a cost. Instead, measure output. Who cares how many hours someone worked on something? All that matters is how fast it’s delivered and how good it is.
Welcome, you have found one of my resources. Make sure you see everything it is linked to at the bottom. You can also go to my resources to find a searchable index of all the quotes, books, podcasts, webpages...I have catalogued.