 by God binding himself to give the reward.It is uncertain whether Pope Pius X meant "for us” to mean all mankind except Christ's human nature and Mary, or only those living after Mary's merits, since the former could potentially break the general rule that the effect comes after the cause.Where it concerns post-Assumption graces, it is a pious opinion that the entirety of them come through the "intercession" of Mary, a concept that is in itself in need of clarification.