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philosopher king

n. A very wise ruler.

Philosopher king

Philosopher kings are the rulers of Plato's utopian city of Kallipolis. If his ideal city-state is to ever come into being, "philosophers [must] become kings…or those now called kings [must]…genuinely and adequately philosophize" ( The Republic, 5.473d).

Usage examples of "philosopher king".

It is not a sickness, it is what you are, and the scent of your blood is the same as what I smelled when I met Labad, the human's Philosopher King.

Every academic worth his salt wants to be a Philosopher King, but that takes a lot of money.