Quotes from Andrew Stellman

when agile projects fail, it's often because of cultural and philosophical differences between waterfall and agile methodologies.

Programmers need to learn about the business problem that needs to be solved.

We do not act rightly because we have virtue or excellence, but we rather have those because we have acted rightly. We are what we repeatedly do. Excellence, then, is not an act but a habit. Aristotle, Nichomachean Ethics

Most software engineers are driven by pride of workmanship: we want to deliver products that we can stand behind, and that satisfy our users' needs.

VersionOne is a company that builds agile software tools, and also contributes to the agile community in many other ways.

Dave West of Forrester Research came up with a term for this: "Water-Scrum-Fall."6) In other words, they've become the most efficient waterfall team that they can be.