The Shabbat, according to Ezekiel 20:12 is God's sign ("ot") between Him and His people. It states, "Moreover also I gave them my shabbats, to be a sign between me and them, that they might know that I am the LORD that sanctify them." The Shabbat was instituted on the seventh day of creation for all mankind, and God did three things as our example in Genesis 2:1-3...