Karl Kautsky 
Ethics and the Materialist Conception of History [PDF ebook] 

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. I asked myself whether I ought not to recon struct and enlarge my work by the addition of such arguments and facts. If, however, that had to be done it would mean delaying the publica tion of the book for an indefinite period; because to carry out this work would require two years’ quiet undisturbed labor. We are, however, com ing to a time when for every Social Democrat quiet and undisturbed work will be impossible.