Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor. – Karl Marx
Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand. – Karl Marx
Natural science will in time incorporate into itself the science of man, just as the science of man will incorporate into itself natural science: there will be one science. – Karl Marx
The development of civilization and industry in general has always shown itself so active in the destruction of forests that everything that has been done for their conservation and production is completely insignificant in comparison. – Karl Marx