"And now I make this declaration—that if the Repeal of the Union depended upon my change of opinion, or the suppression of my sentiments with respect to the slavery of the negro, I would neither change the one nor suppress the other. I am not bound to look to consequences in a matter of principle like this, and this, therefore, I do say, that, come what may, I shall never cease to pour out my entire heart and soul in reprobating and in calling down the curses of mankind upon that vile system."