We should not say that one man's hour is worth another man's 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 time's carcass.

Karl Marx
Profession: Philosopher
Nationality: German

Some suggestions for you :
While the miser is merely a capitalist gone mad, the capitalist is a rational miser.
The ruling ideas of each age have ever been the ideas of its ruling class.
Necessity is blind until it becomes conscious. Freedom is the consciousness of necessity.
The worker of the world has nothing to lose, but their chains, workers of the world unite.
Reason has always existed, but not always in a reasonable form.