Entertain no proposition for a compromise in regard to the extension of slavery. The instant you do they have us under again: all our labor is lost, and sooner or later must be done over. Douglas is sure to be again trying to bring in his “popular sovereignty.” Have none of it. The tug has to come, and better now than later. You know I think the fugitive-slave clause of the Constitution ought to be enforced—to put it in its mildest form, ought not to be resisted.