Considering that they lack the connection to establish any coherent link between them, no. Not really. They are no better than a collection assembled by the dart board.
They all support the same thing -- an immovable attachment to the national union.
No. Not really. You are converting horse chestnuts into chestnut horses again, Walt.
Your quote from TJ, on the other hand, says not a word about the legality of secession under U.S. law
But it does say several words about the possibility of a legitimate unilateral separation and indicates Jefferson's own tolerance for such an event in a particular case. That's a heck of a lot more for secession than any one of your quotes indicates against it.
But it does say...
Then you lied; but you got caught again.
Walt