LIBER

of places that are healthy or pestilential, and the use of waters. For without these principles, no healthy dwelling can be built. He must also have knowledge of the laws that are necessary for common buildings, regarding the boundary of eaves, sewers, and light. Likewise, the conveyance of water and other things of this kind must be known to architects, so that they may take precautions before they begin buildings, lest controversies be left to the heads of families once the works are completed, and so that, by writing laws with prudence, both the lessor and the lessee may be protected. For if the law is skillfully written, it will result in both being freed from the other without trickery. From astrology, one must understand the rising, setting, midday, north, and the order of the sky, the equinox, the solstice, and the course of the stars; if someone does not have knowledge of these, he will not be able to understand the principles of clocks at all. Since this discipline is so decorated and abounds with various and numerous eruditions, I do not think that people can justly profess themselves architects suddenly, unless they have climbed these steps of learning from childhood, nourished by the knowledge of many letters and arts, and have reached the highest temple of architecture. But perhaps it will seem wonderful to unskilled men that a human nature can learn such a number of doctrines and hold them in memory. However, when they notice that all disciplines have a connection and communication of things among themselves, it will be believed that it can happen easily. For the encyclical original: "Encyclios", referring to the enkyklios paideia or cycle of liberal arts discipline is composed like a single body from these members. Therefore, those who are instructed in various learnings from tender ages recognize the same in all letters.