Hebrews 9:7-9

7but into the inner, once a year, the kohen gadol alone— and not without blood which he offers for himself and for the unintentional sins of the people.

8By this the Ruach ha-Kodesh makes clear that the way into the Holies has not yet been revealed while the first tent is still standing.

9It is a symbol for the present time. Accordingly, gifts and sacrifices are being offered that cannot make the worshiper perfect with respect to conscience.