America will never be destroyed from the outside. If we falter and lose our freedoms, it will be because we destroyed ourselves.
Abraham LincolnAt what point then is the approach of danger to be expected? I answer, if it ever reach us, it must spring up amongst us. It cannot come from abroad. If destruction be our lot, we must ourselves be its author and finisher. As a nation of freemen, we must live through all time, or die by suicide.
Abraham LincolnWhat has ever threatened our liberty and prosperity save and except this institution of Slavery?
Abraham Lincoln