Marx's work, this unique synthesis of revolution with science and philosophy, has suffered (is not experiencing) attacks and distortions, and the man who, according to Engels, for the first time scientifically established socialism and thus the entire labor movement of our time was slandered by his opponents but often also by those who acted in his name.

What is certain is that his ideas, which shook humanity, will always remain alive just like every idea for which some people deemed it worth giving their lives.

[Excerpt from the text on the back cover of the edition]