He told that God’s messenger used to say when he was anxious “There is no god but God, the Incomparably Great, the Clement; there is no god but God, the Lord of the mighty Throne; there is no god but God, the Lord of the heavens, the Lord of the earth, and the Lord of the noble Throne.” (Bukhari and Muslim.)
Hadith Referenceمشكوة المصابيح / كتاب الدعوات / 2417
Hadith Gradingالألبانی:مُتَّفق عَلَيْهِ | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (6345) و مسلم (2730/83)»