This document discusses diversity in Indonesian society within the framework of Bhinneka Tunggal Ika (Unity in Diversity). It covers topics such as the meaning of unity within the nation, principles of unity amid diversity in ethnicity, religion, race and social groups, issues of diversity in Indonesian society, and efforts to prevent conflicts related to ethnicity, religion, race and intergroup relations (SARA). The document provides examples of diversity in the reader's surroundings and explains the principles of Wawasan Nusantara, Bhinneka Tunggal Ika, Indonesian nationalism, responsible freedom, unity in development to realize reform aspirations. It aims to prevent conflicts from diversity in Indonesian society.