"We hold these truths to be self evident, [list citing the Creator]" therefore "...we mutually pledge to each other, our Lives, our Fortunes, and our Sacred Honor," and "We the people... do ordain and establish" powers specifically limited to that purpose.
I guess you could call this thinking out loud.
The Declaration is the true trap for the Constitution termites.
Nod your head in agreement with their parsing of the Constitution, then drag them over to the Declaration for the kill.
If they Deny the Declaration, then you're at liberty to cast them into the Outer Darkness at will.