Often, this has only meant a change in tyranny. In other words, one ruling class is replaced by another — sometimes by one that is more efficient and… - Isaac Asimov

" "

Often, this has only meant a change in tyranny. In other words, one ruling class is replaced by another — sometimes by one that is more efficient and therefore still more capable of maintaining itself — while the poor and downtrodden remain poor and downtrodden or become even worse off.