Our idea, therefore, of necessity and causation arises entirely from the uniformity observable in the operations of nature, where similar objects are constantly conjoined together, and the mind is determined by custom to infer the one from the appearance of the other.
Beraz, beharraren eta kausatasunaren ideia gurea, antzeko objektuak beti loturik dauden naturako eragiketetan hauteman daitekeen uniformetasunetik bakarrik dator, eta gogoa ohiturak darama bata bestearen agerpenetik inferitzera.