It is not history which uses men as a means of achieving – as if it were an individual person – its own ends. History is nothing but the activity of men in pursuit of their ends. – Karl Marx
The ruling ideas of each age have ever been the ideas of its ruling class. – Karl Marx
Mankind always sets itself only such tasks as it can solve; since, looking at the matter more closely, we will always find that the task itself arises only when the material conditions necessary for its solution already exist or are at least in the process of formation. – 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