Персы
He translated Quran to Persian. The translation of the Quran by him lasted for 9 years. He tried to use all new and old translations and consult with other scholars of the Quran during the translation. The book has been exhibited in the nineteenth international fair of the Quran in Iran. He tried to pave the way for a more easy understanding of the Quran for all. The translation of Quran according to Hadad is based on the conceptual translation. He pointed out that since many Persian people could not read very well Arabic language then he undertake the task.