“If you go into a mathematics class of any university, it’s unlikely that you will find students reading Euclid. If you go into any physics class, it’s unlikely you’ll find students reading Newton. If you go into any economics class, you probably won’t find students reading Keynes. But if you go a philosophy class, it is not unusual to find students reading Plato, Kant, or Wittgenstein. Why? Cynics might say that all this shows is that there is no progress in philosophy. We are still thrashing around in the same morass that we have been thrashing around in for over 2,000 years. No one who understands the situation would be of this view, however.
“So why are we still reading the great dead philosophers?”
Read Graham Priest’s answer at Oxford Uni Press Blog