Final answer:
According to Plato, to guard against tyranny, the ruler and all citizens must be under the authority of the law.
Step-by-step explanation:
According to Plato, the best way to guard against tyranny is to ensure that the ruler and all citizens are under the authority of the law. Plato believed that when the government is the master of the law and the citizens are its slaves, the state is at risk of collapsing. However, if the law is the master of the government and the government is its slave, then the state is in a promising situation and enjoys the blessings of a just society.
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