Letters of Marx and Engels, 1846
Source: MECW Volume 38 p. 60;
Written: August 1846;
First published: in MEGA, Berlin, 1979;
From: Bernays’ letter to Marx of August 1846.
Only when one previously critically combats these existing (for the sake of brevity let us say ‘bad') tendencies, can one write a positive account of one’s own with confidence.