The Sasanians saw themselves as successors of the Achaemenids, after the Hellenistic and Parthian interlude, and believed that it was their destiny to restore the greatness of Persia.
Sassaniderne anså sig for at være efterfølgere for achaemeniderne efter det hellenistiske og parthiske mellemspil, og de troede, at det var deres skæbne at skulle genskabe Persiens storhed.