Only from strength Most people think they know what they are good at. They are usually wrong. More often, people know what they are not good at—and even then more people are wrong than right. And yet, a person can perform only from strength. One cannot build performance on weaknesses, let alone on something one cannot do at all. Peter F. Drucker, Managing Oneself strengthweakness
Architectural dark matter Every building had its rhythms. These service corridors were the internal hinterlands—the architectural dark matter—so beloved by Bill Mason. Geoff Manaugh, A Burglar's Guide to the City Sonorisms I euphonyinfrastructure