History repeats itself, first as tragedy, second as farce. – 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
Religion is the sigh of the oppressed creature, the heart of a heartless world, and the soul of soulless conditions. It is the opium of the people. – Karl Marx
In bourgeois society capital is independent and has individuality, while the living person is dependent and has no individuality. – Karl Marx