But whenever a number of men, and their united action taking place at different times, is required for the completion of a mechanical work, of a machine, or a building, then he who conducts it must have thought out the plan in the abstract, and such co-operative activity is only possible through the assistance of reason.
aitzitik, pertsona bat baino gehiago eta ekintza osatu bat, denboragune desberdinetan gertatzen dena operazio mekaniko bat, makina bat, eraikin bat burutzeko behar direnean, hori gidatzen duenak beharrezkoa du plana in abstracto zirriborratua edukitzea, eta arrazoimenaren laguntzaz bakarrik da ahalgarri ekintza elkarreragile hori.