Ezekiel 20:12, 20
Ezekiel 20:12 NKJV
Moreover I also gave them My Sabbaths, to be a sign between them and Me, that they might know that I am the LORD who sanctifies them.
Ezekiel 20:20 NKJV
hallow My Sabbaths, and they will be a sign between Me and you, that you may know that I am the LORD your God.’