EarlyAndContinuousDelivery - Our highest priority is to satisfy the customer through early and continuous delivery of valuable software. 

WelcomeChangingRequirements - Welcome changing requirements, even late in development. 

HarnessChangeForAdvantage - Agile processes harness change for the customer's competitive advantage. 

DeliverFrequentWorkingSoftware - Deliver working software frequently, from a couple of weeks to a couple of months, with a preference to the shorter timescale. 

BusinessDeveloperCooperation - Business people and developers work together daily throughout the project. 

MotivatedBuild - Build projects around motivated individuals. 

TrustSupportEnvironment - Give them the environment and support they need, and trust them to get the job done. 

FaceToFaceConveyance - The most efficient and effective method of conveying information to and within a development team is face-to-face conversation. 

SuccessIsWorkingSoftware - Working software is the primary measure of progress. 

SustainableDevelopmentProcess - Agile processes promote sustainable development. 

SponsorDeveloperUserPacing - The sponsors, developers and users should be able to maintain a constant pace indefinitely. 

ExcellenceInTechnicalDesign - Continuous attention to technical excellence and good design enhances agility. 

KeepItSimpleMinimalization - Simplicity -- the art of maximizing the amount of work not done -- is essential. 

BestTeamOrganization - The best architectures, requirements and designs emerge from SelfOrganizingTeams. 

ReflectTuneAndAdjustRegularly - At regular intervals, the team reflects on how to become more effective, then tunes and adjusts its behavior accordingly. 

 Originators: TheSeventeenInAgreement - See ManifestoForAgileSoftwareDevelopment
 More: http://www.sdmagazine.com/articles/2001/0108/0108a/0108a.htm
 Also: http://www.agileAlliance.org