A mind so in flux A mind so in flux, so sensitive to intuitive insights, could never write an academic textbook. All he could retain on paper were indications, hints, allusions, like the delicate color dots and line plays on his pictures. Sibyl Moholy-Nagy, Pedagogical Sketchbook drawingmind
The senses of form and tone Man painted and danced long before he learned to write and construct. The senses of form and tone are his primordial heritage. Sibyl Moholy-Nagy, Pedagogical Sketchbook artformdance
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