Hebrews 5:9

9andκαὶhaving been perfectedτελειωθεὶςHe becameἐγένετοto allπᾶσινthoseτοῖςobeyingὑπακούουσινHimαὐτῷ[the] authorαἴτιοςof salvationσωτηρίαςeternalαἰωνίου,

and having been perfected, He became the source of eternal salvation to all those obeying Him,