For God found fault with the Israelites [or, possibly with the first Agreement], saying [Jer. 31:31ff], "Look, the Lord says, the time will come when I will make a New Agreement with the people of Israel and with the people of Judah.

He hath

So, if perfection [i.e., a right relationship with God] could have been attained through the Levitical priesthood, (for under it people had received the law of Moses), what further need would there have been for another priest to arise, according to the order of Melchizedek, who was not considered "according to the order of Aaron"?

[That Tabernacle] is symbolic of the present time, [indicating] that both gifts and [animal] sacrifices, which are offered [by the priests], are not able to give the worshiper a clear conscience

Ready

[Although] the sky and the earth will pass away [See II Pet. 3:10], my words will not pass away [i.e., they will certainly come true].

Love will never cease. But though there are [now supernatural gifts of] prophecies, [someday] they will be abolished [i.e., such gifts will cease to be exercised]. Though there are [now supernatural gifts of] languages, [someday] they will stop [i.e., such gifts will cease to be exercised]. Though there is [now the supernatural gift of] knowledge, [someday] it will be abolished [i.e., this gift will cease to be exercised].

Therefore, if any person is in [fellowship with] Christ, he is a new person. His old ways have passed away; now his ways have become new.

General references

But freshly squeezed grape juice must be put into newly made animal skins.