Cologne, 1 September 1848 

My dear Koppen, 

I return your article herewith. I should already have sent it 
before but had lost your address in the turmoil of the removal and 
the mass of business this involved.” 

Marx will have told you how often we thought of you during 
the sleepless night of exile. I can assure you that you were the 
only one of the Berliners whom we recalled with pleasure. Come 
to that, the sleepless night of exile was pleasurable aprés tout* and I 
look back on it longingly from out of this tedious philistine farce 
known as the German revolution! But one must be able to make 
sacrifices for the dear fatherland, and the greatest sacrifice is to 
return to that fatherland and write leading articles for this gross 
and boorish public. Farewell. 

Tout a vous? 
F. Engels