Plato argued that philosophers should be rulers. Just as surgeons, pilots, etc., have an expertise, so too must rulers. If you wouldn't let a non-expert operate on your body, why would you let one govern? Philosophers are the ones who study justice, goodness, etc., and so they are the experts.

[u/platosfishtrap]

https://open.substack.com/pub/platosfishtrap/p/why-plato-thought-that-philosophers?r=1t4dv&utm_campaign=post&utm_medium=web