When the maxim which I am disposed to follow in giving testimony is tested by the practical reason, I always consider what it would be if it were to hold as a universal law of nature.
Lekukotza bat emateko asmoa izanik horretarako maxima arrazoimen praktikoak probatzen badu, orduan zerari begiratzen diot beti, ea nolakoa izango litzatekeen hark natur lege orokor gisa balioko balu.