T 2.3.7.6

There is another phænomenon of a like nature with the foregoing, viz. the superior effects of the same distance in futurity above that in the past. This difference with respect to the will is easily accounted for. As none of our actions can alter the past, 'tis not strange it shou'd never determine the will. But with respect to the passions the question is yet entire, and well worth the examining.