They indeed of the sons of Levi who receive the priest's office have a commandment to take tithes of the people according to the Law, that is, of their brothers, though these have come out of the body of Abraham,

For the law of Moses appoints [morally] weak men to be head priests, but the message of [God's] oath, which came after that law [Note: The quotation from Psa. 110:4 (See verse 21) was written after the law of Moses was given] appointed the Son, who was made perfect [in every way] forever.

By faith, Jacob, when he was dying, blessed each of the sons of Joseph, and worshiped, leaning on the top of his staff.

But if you have none of that discipline which all sons undergo, you are illegitimate children, and not true sons.