And we have made of ourselves living cesspools, and driven doctors to invent names for our diseases.

There still remain three studies suitable for free man. Arithmetic is one of them.

He who has knowledge of the just and the good and beautiful ... will not, when in earnest, write them in ink.

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.

Arithmetic has a very great and elevating effect, compelling the soul to reason about abstract number, and rebelling against the introduction of visible or tngible objects into the argument.

Only those who do not seek power are qualified to hold it.

Education is teaching our children to desire the right things.