He believed that it was a powerful branch of science, and that it held special authority over other branches, such as military science. Political philosophers such as Plato and Aristotle began to analyze political thought in a way that placed more significance on the scientific aspect of political science, which was contrary to how it was portrayed by the Greek philosophers that came before them. Prior to Plato, the main commentary on politics came from poets, historians, and famous playwrights of the day.