“Decay is renewal--a perhaps contradictory sentence that nevertheless characterizes the aesthetically sustainable product, which ages gracefully and which possesses the germ of aesthetic decay as process. Decay equals renewal in the sense that aesthetic decay ensures the continued interest and fascination of the recipient.” SustainabilityDecayRenewalSustainable Design Book:Aesthetic Sustainability - Product Design and Sustainable Usage Source: Aesthetic Sustainability - Product Design and Sustainable Usage