Once again, however, things in Syracuse were not at all to Plato's liking.
Dionysius once again effectively imprisoned Plato in Syracuse, and the latter was only able to escape again with help from his Tarentine friends ( 350a-b).
Dion subsequently gathered an army of mercenaries and invaded his own homeland.
But his success was short-lived: he was assassinated and Sicily was reduced to chaos. The effects of this influence can perhaps be seen in the mature Plato's conception of the sensible world as ceaselessly changing.
Plato is one of the world's best known and most widely read and studied philosophers. There are varying degrees of controversy over which of Plato's works are authentic, and in what order they were written, due to their antiquity and the manner of their preservation through time.
He was the student of Socrates and the teacher of Aristotle, and he wrote in the middle of the fourth century B. Nonetheless, his earliest works are generally regarded as the most reliable of the ancient sources on Socrates, and the character Socrates that we know through these writings is considered to be one of the greatest of the ancient philosophers.
The best reports of these orderings (see Diogenes Laertius' discussion at 3.56-62) included many works whose authenticity is now either disputed or unanimously rejected.