Mishkat al-Masabih 9 Supplications كتاب الدعوات 124

وَعَنْ أَنَسٍ عَنِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنَّهُ قَرَأَ (هُوَ أَهْلُ التَّقْوَى وَأَهْلُ الْمَغْفِرَة) قَالَ: قَالَ رَبُّكُمْ أَنَا أَهْلٌ أَنْ أُتَّقَى فَمَنِ اتَّقَانِي فَأَنَا أَهْلٌ أَنْ أَغْفِرَ لَهُ “. رَوَاهُ التِّرْمِذِيّ وَابْن مَاجَه والدارمي

Anas reported that after the Prophet had recited, “He is entitled to be feared and He is entitled to grant pardon,” 2 he stated that their Lord has said, “I am entitled to be feared, and to him who fears me I am entitled to grant pardon.” 2. Qur’an, lxxiv, 56. Tirmidhi, Ibn Majah and Darimi transmitted it.