A seal, she observed in our early days and reiterated many years
later, is attached to a law to show the name, title, and authority of the lawgiver. The Sabbath commandment can therefore be considered a seal because it "is the only one of all the ten in which are found both the name and the title of the Lawgiver. It is the only one that shows by whose authority the law is given. Thus it contains the seal of God, affixed to His law as evidence of its authenticity and binding force" (Patriarchs and Prophets, p. 307).
If the Sabbath is the seal of the living God, what is the seal that the angel will place in the forehead (And I saw another angel ascending from the east, having the seal of the living God: and he cried with a loud voice to the four angels, to whom it was given to hurt the earth and the sea, Saying, Hurt not the earth, neither the sea, nor the trees, till we have sealed the servants of our God in their foreheads. Revelation 7:2-3)?
The seal to be placed in the forehead is a mark which angels, but not human eyes, can read; for the destroying angel must see this mark of redemption."
P. Gerard Damsteegt
