Prohaeresius' influence was often described by famous sophists (teachers who taught virtue), but none of his written textbooks survive today.
No textbooks written by Prohaeresius survive today, but his influence as a teacher is described by famous sophists and rhetoricians of the second half of the fourth century such as Himerius and Libanius. They taught arete  "virtue" or "excellence"  predominantly to young statesmen and nobility. 
