Adam Clarke's Commentary on the Bible - Hebrews 9:26
For then must he often have suffered - In the counsel of God, Christ was considered the Lamb slain from the foundation of the world, Revelation 13:8 , so that all believers before his advent were equally interested in his sacrificial death with those who have lived since his coming. Humanly speaking, the virtue of the annual atonement could not last long, and must be repeated; Christ's sacrifice is ever the same; his life's blood is still considered as in the act of being continually... read more
Adam Clarke's Commentary on the Bible - Hebrews 9:25
Nor yet that he should offer himself often - The sacrifice of Christ is not like that of the Jewish high priest; his must be offered every year, Christ has offered himself once for all: and this sacrificial act has ever the same efficacy, his crucified body being still a powerful and infinitely meritorious sacrifice before the throne. read more