but his appointment was ratified by an oath, when God said to him-- 'The Lord has sworn, and will not change, "Thou art a priest for all time."'
For God never regrets his gifts or his Call.
and on another occasion also-- 'Thou art a priest for all time of the order of Melchizedek.'
for that is the meaning of the declaration-- 'Thou art for all time a priest of the order of Melchizedek.'
Then again, the appointment of this new priest was ratified by an oath, which is not so with the Levitical priests,
Again, new Levitical priests are continually being appointed, because death prevents their remaining in office;
The Law appoints as High Priests men who are liable to infirmity, but the words of God's oath, which was later than the Law, name the Son as, for all time, the perfect Priest.