If darkness overtakes a person on the road, he may give his purse to a gentile; if no gentile is with him, he may place it on the donkey. When he reaches the outermost courtyard, he may remove those objects that may be handled on the Sabbath; and [as for] those that may not be handled on the Sabbath, he may untie the ropes, and [allow] the sacks [to] fall of themselves.