Most all Sabbath keepers are aware of the "Seal of God" found in the 4th Commandment of God's Moral Law—the Sabbath Commandment.
Chapter 23—The Seal of God . . . . . . . . . . . . . . . . . . . . . . . . 187
https://media2.egwwritings.org/pdf/en_5T.pdf
Chapter 23—The Seal of God . . . . . . . . . . . . . . . . . . . . . . . . 187
https://media2.egwwritings.org/pdf/en_5T.pdf