A Plea for Lean Software An Essay by Niklaus Wirth cr.yp.to Software's girth has surpassed its functionality, largely because hardware advances make this possible. The way to streamline software lies in disciplined methodologies and a return to the essentials. Measured by the number of its featuresEssential vs. nice to haveDependence is more profitable than educationThe most rewarding iterationsNever enough time A grossly obese set of requirementsFeatures and complexity softwareperformancefunction
Useless work on useful things Anyone can verify by simple observation two important facts. The first is, that whenever humans design and make a useful thing they invariably expend a good deal of unnecessary and easily avoidable work on it which contributes nothing to its usefulness. The second fact is that all useful devices have got to do useless things which no one wants them to do. Who wants car to get hot? Or to wear out its tires? Or to make a noise and a smell? David Pye, The Nature and Aesthetics of Design The works of GodIf you have to do tedious workWe might as well make them beautifulAgainst form follows functionCombinations and arrangements function