Cold winds are disagreeable, hot winds enervating, moist winds unhealthy.

The design of a temple depends on symmetry, the principles of which must be most carefully observed by the architect.

From food and water, then, we may learn whether sites are naturally unhealthy or healthy.

In fact, all kinds of men, and not merely architects, can recognize a good piece of work.

Architects should be educated, skillful with the pencil, instructed in geometry, know much history, have followed the philosophers with attention, understand music, have some knowledge of medicine, know the opinions of the jurists, and be acquainted with astronomy and the theory of the heavens

Oak... lasts for an unlimited period when buried in underground structures... when exposed to moisture... it cannot take in liquid on account of its compactness, but, withdrawing from the moisture, it resists it and warps, thus making cracks.

Some have held that there are only four winds: Solanus from the east; Auster from the south; Favonius from due west; Septentrio from the north. But more careful investigators tell us that there are eight.