The Sense of Order A Book by E. H. Gombrich The Tiling Patterns of Sebastien Truchet and the Topology of Structural Hierarchy perceptionartorder
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