For everyone who lives on milk is still an infant, inexperienced in the message of righteousness.
13. For every one who uses milk, or, who partakes of milk, etc. He means those who from tenderness or weakness as yet refuse solid doctrine; for otherwise he who is grown up is not averse to milk. But he reproves here an infancy in understanding, such as constrains God even to prattle with us.
Here the apostle returns to what he had in Heb 5:6 cited out of Psa 110:1-7, concerning the peculiar order of the priesthood of Christ, that is, the order of Melchisedec. And here, I. He declares he had many things which he could say to them concerning this mysterious person called Melchisedec, whose priesthood was eternal, and therefore the salvation procured thereby should be eternal also.
Commenting on Hebrews 5:10-14
But strong meat belongeth to them that are of full age,.... Or perfect; see Co1 2:6. This does not intend a perfection of justification; for though some have a greater degree of faith than others, and a clearer discovery of their justification, yet babes in Christ are as perfectly justified as more grown and experienced believers; nor a perfection of sanctification, for there is no...