The highest triumph of Bismarckian politics carried its downfall and bankruptcy within it. - Wilhelm Liebknecht

Diversity of opinions on theoretical points is never dangerous to the party. There are for us no bounds to criticism, and however great our respect may be for the founders and pioneers of our party, we recognize no infallibility and no other authority than science, whose sphere is ever widening and continually proves what it previously held as truths to be errors; destroys the old decayed foundations and creates new ones; does not stand still for an instant; but in perpetual advance moves remorselessly over every dogmatic belief.

In these days, under the rule of capitalism, a government, even if it is full of philanthropy and animated by the best of intentions, can do nothing of real value to our cause. One must keep free from illusions.

The purity of our principles, the idealism of our struggle, these are factors of strengthening and drawing power that have given to us courage for all our battles, and have given to our doctrines an irresistible attraction for all who feel themselves oppressed and have a sense of honor.