Individuals and interactions over processes and tools
Working software over comprehensive documentation
Customer collaboration over contract negotiation
Responding to change over following a plan
That is, while there is value in the items on the right, we
value the items on the left more.
The QA team may want to add one more principle to the Agile Manifesto
Craftsmanship over Execution
This is meant to focus software developers on creating good code vs. simply writing code that barely works. Both craftsmanship and execution are good things, but taking care to create good code is viewed as more important from testers and customers point of view.