<pre>Radicalism threatens the stability of the sovereignty of Indonesian nation and state based on </pre><pre>Pancasila and the 1945 Constitution. Pursuant to the spirit of puritanism wants to </pre><pre>develop dar al-<em>Islam</em> and dar <em>al-harb</em> in Indonesia in the model of religious expression. </pre><pre>Yet, along with the growth of radicalism, Indonesian Islam actually presents the ideal Islamic image </pre><pre>as the Islamic concept of rahmatan lil 'Alamin, which sees cultural, religious, ethnic and racial diversity not </pre><pre>as a threat but a harmony that gives a unique and unique cultural color. </pre><pre>In the context of religion, it is necessary to re-read the framework of the concept </pre><pre>of kalam Shaykh Muhammad Nawawi al-Bantani in tafsir al-Munir to answer the question of how </pre><pre>the concept of kalam in interpreting diversity and how the significance of the concept provides justification</pre><pre>for a diversity and how efforts can be done in keeping And care for the religion as the wealth of the archipelago.</pre> <p>Keywords: Theological Concepts, Radicalism and Diversity, Nawawi al- Bantani</p>