Complex sentence: Thrasymachus (Θρασύμαχος) (ca.459-400 BCE) was a sophist of Ancient Greece best known as a character in Plato's "Republic".
Split into simpler sentences: Thrasymachus (Θρασύμαχος) (ca.459-400 BCE) was a sophist of Ancient Greece. Thrasymachus is best known as a character in Plato's "Republic".