(1st.) That upon this supposition, that it was needful that we should have a mediator that was God and man in one person, as it could not otherwise be, so it must needs be that he must be holy. For although there be but one primary necessary effect of the hypostatical union (which is the subsistence of the human nature in the person of the Son of God), yet that he that was so united to him should be a “holy thing,” completely holy, was necessary also, — of which before.