Music imitates (represents) the passions or states of the soul, such as gentleness, anger, courage, temperance, and their opposites.

The principle aim of gymnastics is the education of all youth and not simply that minority of people highly favored by nature.

The body is at its best between the ages of thirty and thirty-five.

People never know each other until they have eaten a certain amount of salt together.

Why is it that all those who have become eminent in philosophy, politics, poetry, or the arts are clearly of an atrabilious temperament and some of them to such an extent as to be affected by diseases caused by black bile?

Money was established for exchange, but interest causes it to be reproduced by itself. Therefore this way of earning money is greatly in conflict with the natural law.

Every effort therefore must be made to perpetuate prosperity. And, since that is to the advantage of the rich as well as the poor, all that accrues from the revenues should be collected into a single fund and distributed in block grants to those in need, if possible in lump sums large enough for the acquisition of a small piece of land, but if not, enough to start a business, or work in agriculture. And if that cannot be done for all, the distribution might be by tribes or some other division each in turn.