From each, according to his ability; to each, according to his need. – 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
We should not say that one mans hour is worth another mans hour, but rather that one man during an hour is worth just as much as another man during an hour. Time is everything, man is nothing: he is at the most times carcass. – Karl Marx
The history of all previous societies has been the history of class struggles. – Karl Marx