I. Would it be any obligation upon them if they made the service of God their choice?—he here puts them to their choice, not as if it were antecedently indifferent whether they served God or nor, or as if they were at liberty to refuse his service, but because it would have a great influence upon their perseverance in religion if they embraced it with the reason of men and with the resolution of men. These two things he here brings them to.