From the Cooper Union speech. Emphasis mine.
One contemporary commenter described the speech's "sledgehammer logic." If you haven't read it (lately), do.
So-called conservatives continue to dig in their heels to this day, denying the very principles upon which our country was founded, in a centuries-long effort to turn back—and turn their backs upon—those very principles.
To again quote the speech that made Honest Abe the President of the United States: