Hebrews 5:9-12

9and, once made perfect, he became the source of eternal salvation for all who obey him

10and was designated by God to be high priest in the order of Melchizedek.

11We have much to say about this, but it is hard to make it clear to you because you no longer try to understand.

12In fact, though by this time you ought to be teachers, you need someone to teach you the elementary truths of God’s word all over again. You need milk, not solid food!