That something might be useful or profitable to men did not make it right and just. It had to fit a precise conception of justice before God. When an element of technique appeared to be righteous from every point of view, it was adopted, but even then with excessive caution. Only inventions (representing a choice among techniques made by individuals versed in Greek or Latin) judged worthy were applied or even allowed to become known. It was within this narrow compass that certain monks propagated and improved technical instruments. The spread of the hydraulic mill by the Cistercians is well
...more