The distinction between religion on the one hand and law and morality on the other is not indeed clearly conceived by Grotius, but he wrestles with it in such a way as to make it easy for those who followed him to seize it.
One of Beowulf's friends is killed; but Beowulf, unarmed, wrestles with the monster, and tears his arm from the shoulder.
It never wrestles with the concrete content that it takes as its referent.
Charlie wrestles with alcoholism and fatherhood.
Pamela struggles with Chase's secretiveness and Joan wrestles with whether to terminate a pregnancy.