Actually, Rand makes a mock at taking the mark of the beast in section II of the book, but by that time most readers have fallen asleep and don't notice it.
That will have to wait for later literary review. We're not passed the first page yet, or why gravity is part of reality.
What does it matter. Shrug! THUD.
And for the support of this Declaration, with a firm reliance on the protection of Divine Providence, we mutually pledge to each other our lives, our fortunes and our sacred honor.