Friedrich Engels (1820 – 1895)
19th-century German political philosopher who developed communist theory alongside his better-known collaborator, Karl Marx, co-authoring The Communist Manifesto (1848).
It is no longer a question anywhere of inventing interconnections from out of our brains, but of discovering them in the facts.
What is Communism? Communism is the doctrine of the conditions of the liberation of the proletariat. What is the proletariat? The proletariat is that class in society which lives entirely from the sale of its labor and does not draw profit from any kind of capital; whose weal and woe, whose life and death, whose sole existence depends on the demand for labor....
Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.