“States will never be happy until rulers become philosophers or philosophers become rulers.”

“The society we have described can never grow into a reality or see the light of day, and there will be no end to the troubles of states, or indeed, my dear Glaucon, of humanity itself, till philosophers become rulers in this world, or till those we now call kings and rulers really and truly become philosophers, and political power and philosophy thus come into the same hands.”

“There will be no end to the troubles of the state or indeed of humanity until philosophers become kings or until those we now call kings really and truly become philosophers.”

“In order to become the master, a ruler must profess to be a servant of the people.”

“By all means marry; if you get a good wife, you’ll become happy; if you get a bad one, you’ll become a philosopher.”

“Before researchers become researches they should become philosophers.”