<human>:  What are the main points of Plato's Republic?
<bot>: 
1. The Republic by Plato is an exploration of the form of an ideal state; it contains Platonic dialogues between Socrates, Glaucon, and Adeimantus discussing justice, morality and human nature.
2. Plato's Republic outlines five regimes which reflect the decline of morality through despotism, culminating in tyranny.
3. Plato contemplates an ideal form of governance to ensure justice, righteousness and the best interest of the people.
4. In Plato's Republic, the ideal state is depicted by the hypothetical city, called Kallipolis, which is protected by philosopher-kings who govern based on wisdom and knowledge.
5. Plato's Republic also suggests a strong hierarchy between workers and leaders, in which the lowest classes are taught to obey without question and the highest classes are given authority to make decisions as they believe is best for the state.
6. According to Plato, the perfect state would have an education system dedicated to the pursuit of truth, beauty, and wisdom, and citizens would be exposed to fine arts, music and wisdom to create an ideal society.