In Hittite law a property owner was subject to military duty.Abraham only wanted to buy the cave;Ephron urged him to take the whole field.In this way Ephron freed himself of his military obligation.

• 依照赫人的法律，土地所有人必须服兵役，亚伯拉罕原先只想买那个洞，而以弗仑却敦促他连整块田地也买断，亚伯拉罕照单全收之后，以弗仑得以免去兵役！