Are there any Indonesian Philosophers?; Wahdat Al-Wujud and its relevance to Religious Diversity; Thabathabai's Views on Ontological basis for Correspondence of Proposition; Religion; Tahafut al-Falasifa of Al-Ghazali; Farid Esack's Hermeneutics of Qur'an; Western and Muslim Philosophers; Al-Ghazali and Ibn Rushd; Hermeneutic of Khaleed Abou El Fadl.
- Spiritual Journey and the Unitive Experience; Tariqah Qadiriyah wa Naqshabandiyyah; Shari'ah,Tariqah and Haqiqah of Haydar Amuli; Ottoman Empire; Irfani Epistemology,the Qur'anic Verses in Classic interpretation; Spirituality of Sayyid Hossein Nasr; Spiritual Intelligence in Ibn Arabi's view; Metaphysical thought of al-Razi; Spirituality and Magic, Science of Letters al_buni.