Hebrews 9:12

9:12 and he entered once for all into the most holy place not by the blood of goats and calves but by his own blood, and so he himself secured ¹  eternal redemption.

Hebrews 9:26

9:26 for then he would have had to suffer again and again since the foundation of the world. But now he has appeared once for all at the consummation of the ages to put away sin by his sacrifice.

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¹ tn This verb occurs in the Greek middle voice, which here intensifies the role of the subject, Christ, in accomplishing the action: “he alone secured”; “he and no other secured.”