If this bill [for the admission of Orleans Territory as a State] passes,
it is my deliberate opinion that it is virtually a dissolution of
the Union; that it will free the States from their moral obligation;
and, as it will be the right of all, so it will be the duty of some,
definitely to prepare for a separation,--amicably if they can, violently
if they must.
-- Josiah Quincy (1772-1864)
-- Abridged Cong, Debates, Jan. 14, 1811, Vol. iv, p. 327