Therefore what we have to show a priori is not why the moral law in itself supplies a motive, but what effect it, as such, produces (or, more correctly speaking, must produce) on the mind.
Beraz, ez dugu a priori erakutsi beharko lege moralak bere baitan bultzagai bat sortzearen arrazoia, baizik eta halakoa den aldetik zer eragiten duen (hobe esanda, eragin behar duen) gogamenean.