World-renowned Islamic thinker Fethullah Gulen passed away on 20.10.2024. Fethullah Gulen world peace builder and Islamic thinker grew up in Turkey with the influence of Ustad Saeed Nursi books Risale-i Nur, who strove to overthrow Islam by demonstrating its moral excellence, which is suitable for all times, easy to practice for all mankind, and contains content that does not disturb the modern West and European scientific development, in the conflict between Islam and the materialist rise of the West. Like Mevlana Rumi, practical experience with spirituality is the most important thing for a Muslim. He gave a very clear practical explanation to those who misunderstand Sufi thought. Fethullah Gulen owns hundreds of books. The fact that many of his books have been translated into many languages by non-Muslims is a testament to his breadth of thought. He was active in various platforms for world peace. Fethullah Gulen, who promotes the basic principle of Unity in diversity, is the one who developed the concept of 'Reserve a throne in your heart for every human being'. Gulen insists that the root of evil is neglect and the solution is education. That is why the members of his school of thought established colleges, universities, lectures, magazines, newspapers, etc. and worked for world peace along with educational revival. We can see in Fethullah Gulen various thoughts that are generally agreed upon by differences of opinion. May Allah bless him.. Junaid Naleemi Department of muslim cultural and religious affairs Eastern province of Sri Lanka Peace activitist and freelance journalist