Hebrews 5:9 in the King James Version
And being made perfect, he became the author of eternal salvation unto all them that obey him;
Context
8 though he was a Son, yet learned obedience by the things which he suffered.
9 Having been made perfect, he became to all of those who obey him the author of eternal salvation,
10 named by God a high priest after the order of Melchizedek.