=> Customer satisfaction by rapid, continuous delivery of useful software
=> Working software is delivered frequently (weeks rather than months)
=> Face-to-face conversation is the best form of communication
=> Close, daily cooperation between business people and developers
=> Working software is the principal measure of progress
=> Continuous attention to technical excellence and good design
=> Simplicity
=> Regular adaptation to changing circumstances
=> Self-organizing teams
=> Projects are built around motivated individuals, who should be trusted
=> Even late changes in requirements are welcomed (this does not mean code & run.
Instead removing an existing feature or moving a deadline forward to accommodate late/unplanned feature requests