HISTORIC GROWTH OF MAN.
THE MODEL CITY.
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base line. The first, or that of art, produces various objects of use and beauty, more than are needed for home consumption. Then the third department, or commerce, may distribute this excess to various countries where needed. But the middle department, the home, must have led men to build houses, workshops and store-houses, before the manufacturing arts could be developed to any practical extent and therefore, before commerce itself could exist. The home is, therefore, the vital pivot of action for both art and commerce. In the brain, these two last are on each side of the home group, so that they can always respond to each other.
Looking at the west side of the city, or the front of the brain, we find letters, science and culture. The faculties of letters, or learning, that is, memory, attention and language, acquire, arrange, and store up or record the masses of necessary facts. These facts must be analyzed, reasoned about, and their underlying laws found out by the faculties of science or reason, in the middle department. Then the new truths, or rules, thus elaborated, can be turned over or passed on to the third department or culture. Here the work of applying truth is done. The officers here take the lead in seeing to it that the new truths are put to their best uses in securing human happiness. Crude facts, either massed or isolated, are not practical. Their value only comes when reason has educed principles from them. Thus we see that science is the necessary middle pivot of letters and culture.
Again, on the east side of the city we have wealth, industry and rulership or ambition. Here we may
