'Further' in the Bible

So if perfection had in fact been possible through the Levitical priesthood -- for on that basis the people received the law -- what further need would there have been for another priest to arise, said to be in the order of Melchizedek and not in Aaron's order?

For otherwise would they not have ceased to be offered, since the worshipers would have been purified once for all and so have no further consciousness of sin?

For if we deliberately keep on sinning after receiving the knowledge of the truth, no further sacrifice for sins is left for us,