Take a look again at Isaiah 56:6-7
Perhaps you missed it.
"Who join themselves to the LORD"
"Everyone who keeps from defiling the Sabbath and holds fast My covenant"
In other words: Those who join the people of Israel. Converts to Judaism.
I don't feel I even have to bring up verse 7
"Their burnt offerings and their sacrifices Will be accepted on My altar;"
Was your argument that, as a Gentile, I should be giving burnt offerings? Is Christ's Sacrifice not sufficient? Must I now also offer sacrifices of goats and bulls? If this passage means I must observe the Sabbath as a Gentile Christian, then this passage also means I must offer burnt offerings. You don't get to have it both ways: That's either what it's saying, or it isn't.
I'd say this was a good attempt. But it wasn't. 0 Points.
Keeping points on God's Word? I'll think I'll pass on that one.
But lets look at these verses more carefully. Before that some important points…
1. There is no Scripture that God's commandments are only for Jews. They belong to God and only He can tell you want His Laws are and He did. Not written by man, but written by the Holy Spirit. Exo31:18 and its illogical that God only wants Jews to worship Him and Gentiles are free to worship whoever, or Jews can't steal from their neighbor but Gentiles are free to do whatever they want. Jesus addressed this plainly when He said "whoever" breaks the least of these commandments and came with a pretty serious warning Mat5:19-30
2. A covenant is an agreement. God made a covenant with Israel who always represented "His son" Exo4:22 so it was never meant to be literal, but represented God's people. This is what God said about His covenant and the words Psa 89:34 My covenant I will not break,
Nor alter
the word that has gone out of My lips. The words of the covenant, the "Ten Commandments" Exo34:28 Deut4:13 was never the issue Psa19:7 Rom7:12, the issue is mans harden heart, which is why God wrote an New Covenant because man broke the first one, it is still with Israel "His son" but now written in the heart- not changing the words of the covenant, which includes the Sabbath because God keeps His promises and why we see the Sabbath being kept by Jesus, the apostles, Jews and Gentiles in the NC just as Jesus predicted.
Lets look at this passage more carefully before dismissing it as it contains a lot of promises.
Note absent the word Jew. This is God speaking, He knows the difference between "man" and "jew" why He said the Sabbath was made for man. And the word He used means mankind. Do you really think God only wants to give blessings to Jews only? And He wants only Jews not to keep from doing evil by profaning the Sabbath which is a deeper problem Eze22:26 Eze20:16
Lets not add our words and ideas to what God said, its something we are told not to.
Isa 56:2
Blessed is the man who does this,
And the son of man
who lays hold on it;
Who keeps from defiling the Sabbath,
And keeps his hand from doing any evil.”
Isa 56:6 “Also the sons of
the foreigner (Gentiles)
Who join themselves to the Lord,
to serve Him,
And
to love the name of the Lord, to be His servants—
Everyone who keeps from defiling the Sabbath,
And holds fast My covenant
This verse is clearly about:
Foreigners / Gentiles
Who
join themselves to the LORD
Who
keep His covenant
This verse cannot be more clear and it does not say only Jews who love and want to serve Him but EVERYONE who keeps from defiling the Sabbath and holds fast to My covenant that He promised not to alter the Words. To deny these plain Words by God is not going to do anyone favors because God wants to give His blessings Isa59:2 and sanctification Eze20:12 to
everyone that join themselves to God because we can't sanctify or bless ourselves and we cannot separate God's blessings Exo20:11 Isa59:22 and sanctification Gen2:3 Eze20:12 from the seventh day Sabbath. Man cannot sanctify themselves Isa66:17 we need God Eze20:12
This passage is prophetic that God said to Isaiah its future- Jesus even quoted from it in the present tense.
Isa 56:7 Even them I will bring to My holy mountain,
This does not just mean Jerusalem, its where God dwells
Psalm 15:1
LORD, who may abide in Your tabernacle?
Who may dwell in Your holy hill?
And make them joyful in My house of prayer.
Jesus is speaking of His church and Jesus quotes from this passage in the present tense Mat 21:13 which says plainly its for prayer, not "sacrifices"
Their burnt offerings and their sacrifices
Will be accepted on My altar;
The earthy animal sacrifices ended at the Cross Heb10:1-10 The earthy temple was just a miniature temple that represents God's Temple in heaven. Heb8:1-5 Rev 15:5 Rev11:19 Sacrifices continues and are spiritual
Heb13:15 By Him therefore let
us offer the sacrifice of praise to God continually, that is, the fruit of our lips, giving thanks to His name.
Rom 12:1Present your bodies a living sacrifice, holy, acceptable to God, which is your reasonable service
Psa 141:2
Let my prayer be set before You as incense, the lifting up of my hands
as the evening sacrifice.
1 Peter 2:5 You also, as living stones, are being built up a spiritual house, a holy priesthood,
to offer up spiritual sacrifices acceptable to God through Jesus Christ
Rev 5:8 Now when He had taken the scroll, the four living creatures and the twenty-four elders fell down before the Lamb, each having a harp,
and golden bowls full of incense, which are the prayers of the saints.
For My house shall be called a house of prayer for all nations.”
This cannot be more clear- God's house of prayer is a house of prayer for all nations and what God predicts comes true and we see this clearly in the NT and continuing on forever
Acts 13:42 So when the Jews went out of the synagogue,
the Gentiles begged that these words might be preached to them the next Sabbath.
Acts 13:44
On the next Sabbath almost the whole city came together to hear the word of God.
Acts 18:4 And he reasoned in the synagogue
every Sabbath, and persuaded both Jews and Greeks.
8 The Lord God, who gathers t
he outcasts of Israel, says,
“
Yet I will gather to him
Others besides those who are gathered to him.”
Everyone, who loves God and joins themselves to Him to serve Him and keeps His Sabbath, because God wants to bless and sanctify all men, He knows we need Him and can't do this ourselves.
And if you look later in Isaiah this is what the Lord prophesied- which always comes true
His house of prayer will be for
All Nations and continues forever
Isa 66:22 “
For as the new heavens and the new earth
Which I will make shall remain before Me,” says the Lord,
“So shall your descendants and your name remain.
23 And it shall come to pass
That from one New Moon to another,
And from one Sabbath to another,
All flesh shall come to worship before Me,” says the Lord.
There is not any promises like this even close to Sunday because as a replacement for God's Sabbath commandment doesn't exist in our Bibles.. No promise of blessings, no promises of sanctification, no joining ourselves to Christ, no promise of a house of prayer for all nations, no promises period other than a day God made for work and labors Exo20:9, yes Jesus rose on the first day of the week, but never said one word about that changing any of His promises or transferring those to any other day, because its a man-made tradition competing with the God of the Bible blessings and promises and commandment. Because there is nothing that supports Sunday keeping in lieu of keeping one of God's commandments that God Himself Blessed, that no man can take away His blessing Num23:20 so instead, people spend their time attacking God's Sabbath repeatedly- what message are we sending God who said Remember the Sabbath day to keep it holy, the Sabbath is
My holy day Isa58:13 hallow My Sabbaths and it will be a sign between you and Me Eze20:20 when did God's words and Testimony not mean anything, isn't this the whole point of the Bible to find God? God Himself tells us how to join ourselves to Him Isa56:6 are we going to listen to Him on how we do this or another voice.
Don't let anyone cheat us from the promises of God in His holy word.
Col 2:8 Beware lest anyone [
a]cheat you through philosophy and empty deceit, according to the tradition of men,
according to the basic principles of the world,
and not according to Christ.