If this bill 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.

Regarding the admission of Orleans Territory as a U.S. State. Abridged Cong. Debates, Jan. 14, 1811. Vol. iv. p. 327. This was later famously paraphrased by Henry Clay: The gentleman [Mr. Quincy] cannot have forgotten his own sentiment, uttered even on the floor of this House, "Peaceably if we can, forcibly if we must." Speech, Jan. 8, 1813.