- Individuals and interactions over processes and tools
- Working software over comprehensive documentation
- Customer collobration over contract negotiation
- Responding to change over following a plan
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Our highest priority is to satisfy the customer through early and continuous delivery of valuable software.
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Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage.
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Deliver working software frequently, from a couple of weeks to a couple of months, with a preference to the shorter timescale.
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Business people and developers must work together daily throughout the project.
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Build projects around motivated individuals. Give them the environment and support they need, and trust them to get the job done.
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The most efficient and effective mothod of conveying information to and within a development team is face-to-face conversation.
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Working software is the primary measure of progress.
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Agile processes promote sustainable development. The sponsors, developers, and users should be able to maintain a constant pace indefinitely.
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Continous attention to technical excellence and good design engances agility.
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Simplicity, the art of maximizing the amount of work not done, is essential.
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The best architectures, requirements, and designs emerge from self-organizing teams.
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At regualr interfvals, the team reflects on how to became more effective, then tunes and adjusts its behavior accordingly.