Isaiah 66:23

And it shall come to pass, that from moon to moon, from Sabbath to Sabbath, all flesh shall come to worship before me, sayeth the LORD.

Ezekiel 46:1

Thus sayeth the LORD God: the door of the innermore court toward the East shall be shut the six working days: but in the Sabbath and in the day of the new Moon, it shall be opened.

Psalm 86:9

All nations whom thou hast made shall come and worship before thee, O LORD, and shall glorify thy name.

2 Kings 4:23

And he said, "Wherefore wilt thou go to him today, while it is neither new moon nor Sabbath day?" And she said, "Be content."

Isaiah 1:13-14

Offer me no more oblations, for it is but lost labour. I abhor your incense. I may not away with your new moons, your Sabbaths and solemn days. Your fastings are also in vain.

Ezekiel 46:6

In the day of the new month, it shall be a young bullock without blemish, six lambs and a ram also without blemish.

Zechariah 14:16

Every one that remaineth then of all the people, which came against Jerusalem, shall go up yearly, to worship the King, even the LORD of Hosts, and to keep the feast of tabernacles.

Psalm 65:2

Thou that hearest the prayer, unto thee shall all flesh come.

Psalm 81:3-4

Blow up the trumpets in the new moon, upon our solemn feast day.

Isaiah 19:21

Moreover, Egypt shall be brought unto the LORD, and the Egyptians also shall know the LORD at the same time: they shall do him reverence with peace offerings, and with meat offerings: they shall promise him offerings, yea, and pay him also.

Zechariah 8:20-23

Thus sayeth the LORD of Hosts: There shall yet come people, and the inhabiters of many cities.

Zechariah 14:14

Judah shall fight also against Jerusalem, and the goods of all the Heathen shall be gathered together round about: gold and silver and a very great multitude of clothes.

Malachi 1:11

For from the rising up of the sun unto the going down of the same, my name is great among the Gentiles. Yea, in every place shall there sacrifice be done, and a clean meat offering offered up unto my name: for my name is great among the Heathen, sayeth the LORD of Hosts.

John 4:23

But the hour cometh, and now is, when the true worshippers shall worship the father in spirit, and in truth. For verily, such the father requireth to worship him.

Colossians 2:16-17

Let no man therefore trouble your consciences about meat and drink: or for a piece of a holy day, as the holy day of the new moon, or of the Sabbath day:

Revelation 15:4

Who shall not fear, o Lord, and glorify thy name? For thou only art holy, and all gentiles shall come and worship before thee, for thy judgments are made manifest."

Treasury of Scripture Knowledge

Summary

And it shall come to pass, that from one new moon to another, and from one sabbath to another, shall all flesh come to worship before me, saith the LORD.

General references

Bible References

That from

Isaiah 1:13
Offer me no more oblations, for it is but lost labour. I abhor your incense. I may not away with your new moons, your Sabbaths and solemn days. Your fastings are also in vain.
2 Kings 4:23
And he said, "Wherefore wilt thou go to him today, while it is neither new moon nor Sabbath day?" And she said, "Be content."
Psalm 81:3
Blow up the trumpets in the new moon, upon our solemn feast day.
Ezekiel 46:1
Thus sayeth the LORD God: the door of the innermore court toward the East shall be shut the six working days: but in the Sabbath and in the day of the new Moon, it shall be opened.
Colossians 2:16
Let no man therefore trouble your consciences about meat and drink: or for a piece of a holy day, as the holy day of the new moon, or of the Sabbath day:

One new, etc

Psalm 65:2
Thou that hearest the prayer, unto thee shall all flesh come.
Psalm 86:9
All nations whom thou hast made shall come and worship before thee, O LORD, and shall glorify thy name.
Zechariah 8:20
Thus sayeth the LORD of Hosts: There shall yet come people, and the inhabiters of many cities.
Zechariah 14:14
Judah shall fight also against Jerusalem, and the goods of all the Heathen shall be gathered together round about: gold and silver and a very great multitude of clothes.
Malachi 1:11
For from the rising up of the sun unto the going down of the same, my name is great among the Gentiles. Yea, in every place shall there sacrifice be done, and a clean meat offering offered up unto my name: for my name is great among the Heathen, sayeth the LORD of Hosts.
John 4:23
But the hour cometh, and now is, when the true worshippers shall worship the father in spirit, and in truth. For verily, such the father requireth to worship him.
Revelation 15:4
Who shall not fear, o Lord, and glorify thy name? For thou only art holy, and all gentiles shall come and worship before thee, for thy judgments are made manifest."

General references

Isaiah 19:19
At the same time shall the LORD of Hosts have an altar in the midst of the land of Egypt, with this title thereby: "Unto the LORD."
Zechariah 8:22
Yea, much people and mighty Heathen shall come and seek the LORD of Hosts at Jerusalem, and to pray before the LORD.