A dog has the soul of a philosopher.

The most effective kind of education is that a child should play amongst lovely things.

Justice is nothing more than the advantage of the stronger.

Geometry will draw the soul toward truth and create the spirit of philosophy.

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.

But tell me, this physician of whom you were just speaking, is he a moneymaker, an earner of fees, or a healer of the sick?

Music is moral law. It is the essence of order and leads to all that is good, true and beautiful.