One of the central themes of Memory & Oblivion is the preservation of art and its material aspects. This theme explores how different cultures and societies have approached the conservation of their artistic heritage. It delves into the techniques and practices used to maintain and restore artworks, ensuring their longevity for future generations.

Another significant theme is the social phenomena surrounding art collecting. This theme examines the motivations and behaviors of art collectors, as well as the impact of art collections on society. It explores how art collecting has evolved over time and the role it plays in shaping cultural and social identities.

The book also delves into the concepts of memory and oblivion within the context of art history. This theme explores how art historians remember and interpret artworks, as well as the factors that contribute to the forgetting or neglect of certain pieces. It examines the role of memory in shaping our understanding of art and the ways in which oblivion can lead to the rediscovery and reevaluation of forgotten works.