World Without End

Isaiah 45:15-17 Verily thou art a God that hidest thyself, O God of Israel, the Saviour. 16 They shall be ashamed, and also confounded, all of them: they shall go to confusion together that are makers of idols. 17 But Israel shall be saved in Yahuweh with an everlasting salvation: ye shall not be ashamed nor confounded world without end.
Ephesians 3:20-21 Now unto Him that is able to do exceeding abundantly above all that we ask or think, according to the power that worketh in us, 21 Unto Him be glory in the church by Messiah Yahushua throughout all ages, world without end. Amen.
Revelation 21:1 And I saw a new heaven and a new earth: for the first heaven and the first earth were passed away; and there was no sea.
Everlasting (Strong's 5769) 'owlam from 5331 (perpetual)& 5703 (world without end)
'olam from 5956 (to veil from sight; conceal)
Genesis 9:16 And the bow shall be in the cloud; and I will look upon it, that I may remember the everlasting covenant between Me and all flesh that is upon the earth.
Now is that to be concealed or viewed forever?
Genesis 17:5-8; 17:19; Genesis 48:4
Exodus 40:15 And thou shalt anoint them, as thou didst anoint their father, that they may minister unto Me in the priest's office: for their anointing shall surely be an everlasting priesthood throughout their generations. ( a revolution of time)
The Levitical priesthood was for a limited time.
Hebrews 7:11 If therefore perfection were by the Levitical priesthood, ( for under it the people received the law, ) what further need was there that another priest should rise after the order of Melchizedek. And not be called after the order of Aaron?
Hebrews 7:14 For it is evident that Yahushua sprang out of Judah; of which tribe Moses spake nothing concerning priesthood.
Psalm 110:4; (Hebrews 7:17) 4 Yahuweh hath sworn, and will not repent, Thou art a priest for ever after the order of Melchizedek.