I was prevented by all sorts of incidents from writing to you. Even now only a few lines. My eldest and youngest daughters have both got scarlatina. I remember that in Hanover you spoke to me of the treatment required once the crisis was passed and the scaling-off process begins. Will you be so kind as to write me about it at once. With best greetings to your dear wife and Fr nzchen. Liebknecht is growing more and more imbecile in his South-German stupidity. He is not enough of a dialectician to criticise both sides at the same time.
Marx-Engels Correspondence 1868