Thin ice Today the 'depth of our being' stands on thin ice. Juhani Pallasmaa, The Eyes of the Skin: Architecture and the Senses coldbeing
Two thermal archetypes The hearth, a refuge of dry warmth from a cold world, and the oasis, a preserve of coolness and moisture in a desert wilderness. Lisa Heschong, Thermal Delight in Architecture heatcold
Economy of material and labor Whatever the comparative merits of [various bed framing methods], what is clear from Aristotle's Mechanica is that economy of material, and labor, was as much an issue in ancient times as it is now. Henry Petroski, The Evolution of Useful Things The requirements of economyThe art of not constructing simplicity