The original principles can be found here: http://agilemanifesto.org/principles.html
(if you’re into handwavium and naked emperors)

Our highest priority is to satisfy the customerthrough early and continuous deliveryof valuable software.
Because there’s nothing customers like more than half baked software.
Welcome changing requirements, even late in development. Agile processes harness change for the customer’s competitive advantage.
Because scope creep allows for [...]