“All these soft kinds [of stone] have the advantage that they can be easily worked as soon as they have been taken from the quarries. Under cover, they play their part well; but in open and exposed situations the frost and rime make them crumble, and they go to pieces. On the seacoast, too, the salt eats away and dissolves them, nor can they stand great heat either.”

—  Vitruvius , book De architectura

Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII, Sec. 2

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Vitruvius 203
Roman writer, architect and engineer -80–-15 BC

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Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII, Sec. 3-4
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Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII, Sec. 5
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Source: De architectura (The Ten Books On Architecture) (~ 15BC), Book II, Chapter VII "Stone" Sec. 1

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