“What we see in both software development and military operations is a tendency for the pendulum to swing back and forth between extremes. Yet in most cases, we need a balance between armor and discipline and between mobility and agility. Actually, though, I would say that the leaders in both the agile and plan-driven camps occupy various places in the responsible middle. It’s only the over-enthusiastic followers who overinterpret “discipline” and “agility” to unhealthy degrees.”

—  Barry Boehm

Tom DeMarco and Barry Boehm. " The agile methods fray http://cf.agilealliance.org/articles/system/article/file/872/file.pdf." Computer 35.6 (2002): 90-92.

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Barry Boehm18
American software engineer 1935

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