"Dictatorship naturally arises out of democracy, and the most aggravated form of tyranny and slavery out of the most extreme liberty"

Plato's quote suggests that democracy can cause dictatorship and severe liberty can lead to tyranny and slavery. He is recommending that excessive flexibility can lead to a lack of control and order, which can then cause a dictatorship. This is because when people have too much freedom, they can become selfish and power-hungry, leading to a scenario where someone or group has excessive control. Plato is warning that excessive liberty can lead to a situation where the people are no longer in control of their own destiny, and instead undergo the whims of a dictator. He is suggesting that a balance between liberty and control is necessary in order to maintain a healthy democracy.