Bible Verses About Priests: Services of, ineffectual for removing sin

¶ If therefore perfection were by the Levitical priesthood, (for under it the people received the law,) what further need was there that another priest should rise after the order of Melchisedec, and not be called after the order of Aaron?

And every priest standeth daily ministering and offering oftentimes the same sacrifices, which can never take away sins: