When the hour of dire need draws nigh Keep the faculty of effort alive in you by a little gratuitous exercise every day. That is, be systematically ascetic or heroic in little unnecessary points, do every day or two something for no other reason than that you would rather not do it, so that when the hour of dire need draws nigh, it may find you not unnerved. William James, Principles of Psychology wisdomneed
Welcome changing requirements Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage. Manifesto for Agile Software Development A late change in requirements is a competitive advantage planning