But solid food is for the mature, for those who have their powers of discernment trained by constant practice to distinguish good from evil.
14. Of full age, or perfect, etc. He calls those perfect who are adults; he mentions them in opposition to babes, as it is done in 1 Corinthians 2:6; 14:20; Ephesians 4:13. For the middle and manly age is the full age of human life; but he calls those by a figure men in Christ; who are spiritual.
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
Verse 14. Strong meat. Solid food pertains to those of maturer years. So it is with the higher doctrines of Christianity. They can be understood and appreciated only by those who are advanced in Christian experience. Of full age. Marg Perfect. The expression refers to those who are grown up. Who by reason of use. Marg. Or, an habit; or perfection.