Hebrews 5:9

And having been perfected, He became the author of eternal salvation to all who obey Him,

Surrounding context

5:8 though He was a Son, yet He learned obedience by the things which He suffered.

5:9 And having been perfected, He became the author of eternal salvation to all who obey Him,

5:10 called by God as High Priest "according to the order of Melchizedek,"