Bricks will be most serviceable if made two years before using; for they cannot dry thoroughly in less time. When fresh undried bricks are used in a wall, the stucco covering stiffens and hardens into a permanent mass, but the bricks settle and the motion caused by their shrinking prevents them from adhering to it, and they are separated from their union with it. At Utica in constructing walls they use brick only if it is dry and made five years previously, and approved as such by the authority of a magistrate.
Marcus Vitruvius PollioThere are many names for winds derived from localities or from the squalls which sweep from rivers or down mountains.
Marcus Vitruvius PollioHeat is a universal solvent, melting out of things their power of resistance, and sucking away and removing their natural strength with its fiery exhalations so that they grow soft, and hence weak, under its glow.
Marcus Vitruvius PollioAt Jaffa in Syria and among the Nomads in Arabia, are lakes of enormous size that yield very large masses of asphalt, which are carried off by the inhabitants thereabouts.
Marcus Vitruvius PollioIt is no secret that the moon has no light of her own, but is, as it were, a mirror, receiving brightness from the influence of the sun.
Marcus Vitruvius Pollio