By the same token you can't prove without a shadow of a doubt that Sabbath wasn't kept from Adam to Moses.
Part of holy means set apart and God did set apart the seventh day at creation and called it holy.
Just as Cain knew in his heart that killing his brother was wrong which is also one of the 10 commandments there is no reason to not believe that Sabbath wasn't kept during the period you mentioned especially since God set the day apart as sanctified and holy.
What better example is there that God himself kept the first Sabbath at the end of creation week as Exodus explains exactly what God did at the end of creation week.... does it need to be spelled out any plainer to logically understand it? Just wondering.
I do agree that God blessed the 7th day and sanctified it, because in it
He rested from all His work which God had created and made. (Genesis 2:3) Yet can you show me the word "Sabbath" in the book of Genesis and where anyone prior to Exodus 16:23 was told to keep the Sabbath day? The Sabbath was not given to all the nations. It was given to the
nation of Israel. Look at Deuteronomy 5:1-15 which gives the commandments to Israel. 2 The Lord our God made a covenant with us in Horeb. 3
The Lord did not make this covenant with our fathers, but with us, those who are here today, all of us who are alive.
Nehemiah 9:13 - "Then You came down on Mount Sinai, And spoke with them from heaven; You gave them just ordinances and true laws, Good statutes and commandments. 14 So
You made known to them Your holy sabbath, And laid down for them commandments, statutes and law, Through Your servant Moses." *Nowhere in Scripture is there any hint that Sabbath keeping was practiced from Adam to Moses.
I am not saying you have to keep it Mailman Dan to be saved I am just saying that God, Adam and Eve kept the first Sabbath day holy together and God has asked us all to do the same in the 10 commandments because all God's people should want to obey God's laws written on stone and our hearts.
I'm glad to hear you are not teaching sabbath keeping in order to be saved. Yet there are those who do teach that and end up perverting the gospel by teaching salvation by "grace plus law, faith plus works." Seventh-day Adventists teach the ludicrous doctrine that the near the end of time the "mark of the best" of Revelation 14 will be placed upon those who worship on Sunday instead of Saturday. -
http://www.nonsda.org/study8.shtml
Here is a statement below in
blue from a former member of Christian Chat who was a Seventh Day Adventist that taught salvation by "grace plus law, faith plus works."
The counterfeit Gospel is out there. What is the other Gospel? It is a Gospel that tries to separate God's Law (10 commandments) from the Cross. It is a Gospel that tries to separate God's 10 commandments from the plan of salvation. God’s Law has always been part of the true Gospel of Christ. The counterfeit Gospel does not have it. God's forever Law (the 10 commandments) is the foundation of both the Old and the New Covenant and the very foundation and basis of the true Gospel of Christ.
Where did God command EVERYONE to keep the Sabbath on the seventh day?
If every man from Adam to Moses kept the Sabbath, why is the Hebrew word for the weekly Sabbath found in the Ten Commandments, never found in the book of Genesis? Why is no one before Moses ever being told to keep the Sabbath? Why are there no examples of anyone keeping the Sabbath before Moses? Why were the Patriarchs never instructed about the Sabbath, but were instructed regarding: offerings: Genesis 4:3-4, Altars Genesis 8:20, Priests: Genesis 14:18, Tithes: Genesis 14:20, Circumcision: Genesis 17:10, and Marriage: Genesis 2:24; Genesis 34:9. Why would God leave out the Sabbath command in Genesis if it was for everyone to keep before Moses? Why is there no command in the New Testament for Christians/the Church to keep the Sabbath day? Instead we find (Colossians 2:16-17).