All soul is immortal. For that which is always in movement is immortal; that which moves something else, and is moved by something else, in ceasing from movement ceases from living. So only that which moves itself, because it does not abandon itself, never stops moving. But it is also source and first principle of movement for the other things which move.

He who is learning and learning and doesn't apply what he knows is like the one who is plowing and plowing and doesn't seed.

Many men are loved by their enemies, and hated by their friends, and are the friends of their enemies, and the enemies of their friends.

Wealth does not bring excellence, but that wealth comes from excellence.

So the nature required to make a really noble Guardian of our commonwealth will be swift and strong, spirited, and philosophic.

The purpose of education is to give to the body and to the soul all the beauty and all the perfection of which they are capable.

Democracy does not contain any force which will check the constant tendency to put more and more on the public payroll. The state is like a hive of bees in which the drones display, multiply and starve the workers so the idlers will consume the food and the workers will perish.