" At its root, Scrum is based on a simple idea: whenever you start a project, why not regularly check in, see if what you’re doing is heading in the right direction, and if it’s actually what people want? And question whether there are any ways to improve how you’re doing what you’re doing, any ways of doing it better and faster, and what might be keeping you from doing that. "

― Jeff Sutherland , Scrum: The Art of Doing Twice the Work in Half the Time