Free-grace, maintained & improved. Or, The general offer of the Gospel, [electronic resource] : managed with considerations of the great things done by special grace, in the election and redemption and vocation of those who embrace that offer. And the illustrious doctrines of divine predestinatio and humane impotency, rescued from the abuses, which they too frequently meet withal; and rendered (as they are) highly useful to the designs of practical piety. In two brief discourses; published at the desire of some, who have been greatly apprehensive of growing occasions for such treatises.