9. made perfect—completed, brought to His goal of learning and suffering through death (Heb 2:10) [Alford], namely, at His glorious resurrection and ascension.
author—Greek, "cause."
eternal salvation—obtained for us in the short "days of Jesus' flesh" (Heb 5:7; compare Heb 5:6, "for ever," Isa 45:17).
unto all … that obey him—As Christ obeyed the Father, so must we obey Him by faith.