Charles Spurgeon Commentary Hebrews 9:24-26

"For Christ entered not into a holy place made with hands, like in pattern to the true; but into heaven itself, now to appear before the face of God for us: nor yet that he should offer himself often, as the high priest entereth into the holy place year by year with blood not his own; else must he often have suffered since the foundation of the world: but now once at the end of the ages hath he been manifested to put away sin by the sacrifice of himself." — Hebrews 9:24-26 (ASV)

Which are the figures of the true; but into heaven itself, now to appear in the presence of God for us: nor yet that he should offer himself often, as the high priest entereth into the holy place every year with blood of others; for then must he often have suffered since the foundation of the world: but now once

—And only once.