"[Newton's calculations] entered the marrow of what we know without knowing how we know it."

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The Sappers really need no tribute from me; their reward lies in the glory of their achievement. The more science intervenes in warfare, the more will be the need for engineers in field armies; in the late war there were never enough Sappers at any time. Their special tasks involved the upkeep and repair of communications; roads, bridges, railways, canals, mine sweeping. The Sappers rose to great heights in World War II and their contribution to victory was beyond all calculations.

— Bernard Law Montgomery