The theory of Communism may be summed up in one sentence: Abolish all private property.

You will have to go through 15, 20, 50 years of civil wars and national struggles not only to bring about a change in society but also to change yourselves, and prepare yourselves for the exercise of political power.

Nature is man's inorganic body -- that is to say, nature insofar as it is not the human body. Man lives from nature -- i.e., nature is his body -- and he must maintain a continuing dialogue with it is he is not to die. To say that man's physical and mental life is linked to nature simply means that nature is linked to itself, for man is a part of nature.

The bureaucracy is a circle from which one cannot escape. Its hierarchy is a hierarchy of knowledge. The top entrusts the understanding of detail to the lower levels, whilst the lower levels credit the top with understanding of the general, and so all are mutually deceived.

The working class is revolutionary or it is nothing.

Darwin's book is very important and serves me as a basis in natural science for the class struggle in history. One has to put up with the crude English method of development, of course. Despite all deficiencies not only is the death-blow dealt here for the first time to 'teleology' in the natural sciences, but their rational meaning is empirically explained.

Money degrades all the gods of man and converts them into commodities.