This lecture introduces the concept of capitals in the context of sustainability, focusing on natural, human, social, financial, and manufactured capital. It discusses the correlations between these capitals and well-being, emphasizing the importance of trust and cooperation in social capital. The lecture also explores the idea of building social capital through a social credit system, using China's example. Additionally, it examines how capitals are reflected in the balance sheet of firms, using Novartis as a case study.