Istanbul Foundation for Science and Culture
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|The Tenth Topic: A Flower of Emirdağ. An extremely powerful reply to objections raised about repetitions in the Qur'an|[262](/the-rays/the-eleventh-ray/9539/31/213/296#2622)|

|Conclusion, consisting of two additions|[272](/the-rays/the-eleventh-ray/9539/31/213/296#2722)|

|The Eleventh Topic: The fruits tasted in this world of belief in the angels|[277](/the-rays/the-eleventh-ray/9539/31/213/296#2772)|

|Conclusion|[286](/the-rays/the-eleventh-ray/9539/31/213/296#2862)|

|A Supplement to the Addendum of the Eleventh Topic|[289](/the-rays/the-eleventh-ray/9539/31/213/296#2892)|

|THE TWELFTH RAY: Part of Bediuzzaman Said Nursi's defence speeches given in Denizli Court|[297](/the-rays/the-twelfth-ray/9571/31/297/317#2972)|

|THE THIRTEENTH RAY: The light-scattering letters Bediuzzaman Said Nursi sent his students while in Denizli Prison, which illustrate in brilliant fashion the great exertions of the Risale-i Nur|[318](/the-rays/the-thirteenth-ray/9577/31/318/369#3182)|

|THE FOURTEENTH RAY: Comprising part of Bediuzzaman's defence during his trial in Afyon Court, letters which he wrote to his fellow-prisoner students, and parts of his students' defence speeches|[370](/the-rays/the-fourteenth-ray/9652/31/370/568#3702)|

|Bediuzzaman's defence speeches and the petitions he sent to the Appeal Court and to the government in Ankara|[370](/the-rays/the-fourteenth-ray/9652/31/370/568#3702)|

|The Sixteenth Letter: Included by Bediuzzaman in the Fourteenth Ray because of its relevance to his defence|[457](/the-rays/the-fourteenth-ray/9652/31/370/568#4572)|

|Letters written by Bediuzzaman to his students while in Afyon Prison in order to console, enlighten, and guide them|[474](/the-rays/the-fourteenth-ray/9652/31/370/568#4742)|

|Parts of the defence speeches given by some of the Risale-i Nur students during their trials in Afyon Court|[534](/the-rays/the-fourteenth-ray/9652/31/370/568#5342)|

|THE FIFTEENTH RAY, The Shining Proof|[569](/the-rays/the-fifteenth-ray/9806/31/569/647#5692)|

|First Station: Consisting of three parts|[569](/the-rays/the-fifteenth-ray/9806/31/569/647#5692)|

|Part One: A concise summary of the Twentieth Letter which in eleven phrases about divine unity offers eleven proofs of the truths of belief|[570](/the-rays/the-fifteenth-ray/9806/31/569/647#5702)|

|Part Two: A brief summary of Sura al-Fatiha. Allusions to the truths of belief and their proofs from the treasury of this sura, in nine phrases|[580](/the-rays/the-fifteenth-ray/9806/31/569/647#5802)|

|Part Three: A brilliant explanation with proofs of the second part of the profession of faith: "Muhammad is the Messenger of God," in three indications|[591](/the-rays/the-fifteenth-ray/9806/31/569/647#5912)|

|Second Station|[604](/the-rays/the-fifteenth-ray/9806/31/569/647#6042)|

|Three of the worlds the traveller through the universe visited, which illustrate the comparison of the people of belief and of misguidance, in three examples|[604](/the-rays/the-fifteenth-ray/9806/31/569/647#6042)|

4–6 October 2026 · Istanbul

13th International Bediuzzaman Symposium

Visit the symposium website for the programme, papers and registration.