Pedagogical Sketchbook A Book by Paul Klee Half-winged, half-imprisonedTO STAND DESPITE ALL POSSIBILITIES TO FALLThe senses of form and toneA mind so in flux
Complete and consistent requirements An architect who needs complete and consistent requirements to begin work, though perhaps a brilliant builder, is not an architect. Mark W. Maier & Eberhardt Rechtin, The Art of Systems Architecting What the problem isThe heart of systems engineeringA late change in requirements is a competitive advantage architecturedesign