Mustafa Sabri Efendi and his opinions on the concepts on the reality of the gayb

The main purpose of this study is to examine the views of Mustafa Sabri Efendi, a valuable Ahl as-sunna scholar who grew up in the lands of the Ottoman Empire, about the concepts of the unknown world. For this reason, the study consists of three parts. In the first chapter, Mustafa Sabri's life and scientific personality are mentioned. In the second part, the definition of the concept of the unknown, the importance and place of the concept of the unknown in the Qur'an, the ontological existence of the unknown and some concepts included in the unknown are discussed. In the third part, Mustafa Sabri Efendi's thoughts on the concepts included in the understanding of the unknown are examined. The evidences and interpretations put forward by Mustafa Sabri Efendi on subjects such as revelation, prophecy, miracle, destiny, resurrection after death are analyzed. As a result of the study, the scientific contributions and services of Mustafa Sabri Efendi to the Islamic world are mentioned, based on the mental and narrative evidence on which Mustafa Sabri Efendi's approach to these concepts and his thoughts are based.