They shall enter
Revelation 1:6
and He has made us [to be] a kingdom, priests to His God and Father-- to Him [be] the glory and the dominion forever and ever. Amen.
to my table
Ezekiel 41:22
The altar [was] of wood, three cubits high and its length two cubits; its corners, its base and its sides [were] of wood. And he said to me, "This is the table that is before the LORD."
Malachi 1:7
"[You] are presenting defiled food upon My altar. But you say, 'How have we defiled You?' In that you say, 'The table of the LORD is to be despised.'
Malachi 1:12
"But you are profaning it, in that you say, 'The table of the Lord is defiled, and as for its fruit, its food is to be despised.'
keep
Numbers 18:7
"But you and your sons with you shall attend to your priesthood for everything concerning the altar and inside the veil, and you are to perform service. I am giving you the priesthood as a bestowed service, but the outsider who comes near shall be put to death."
Numbers 18:8
Then the LORD spoke to Aaron, "Now behold, I Myself have given you charge of My offerings, even all the holy gifts of the sons of Israel I have given them to you as a portion and to your sons as a perpetual allotment.
Deuteronomy 33:8-10
8
Of Levi he said, "[Let] Your Thummim and Your Urim [belong] to Your godly man, Whom You proved at Massah, With whom You contended at the waters of Meribah;
9
Who said of his father and his mother, 'I did not consider them'; And he did not acknowledge his brothers, Nor did he regard his own sons, For they observed Your word, And kept Your covenant.
10
"They shall teach Your ordinances to Jacob, And Your law to Israel. They shall put incense before You, And whole burnt offerings on Your altar.