Greek philosophy seems to have met with something with which a good tragedy is not supposed to meet, namely, a dull ending. – Karl Marx
The ideas of the ruling class are in every epoch the ruling ideas, i.e., the class which is the ruling material force of society, is at the same time its ruling intellectual force. – 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
In a higher phase of communist society… only then can the narrow horizon of bourgeois right be fully left behind and society inscribe on its banners: from each according to his ability, to each according to his needs. – Karl Marx