The American people in the Northern States have helped to enslave the black people. Their duty will not have been done till they give them back their plundered rights. Reference was made at the City Hall to my having once held other opinions, and very different opinions to those I have now expressed. An old speech of mine delivered fourteen years ago was read to show — I know not what. Perhaps it was to show that I am not infallible. If so, I have to say in defense, that I never pretended to be.
The Constitution of the United States: Is It Pro-Slavery or Anti-Slavery? (1860)