11:1
الٓر ۚ كِتَـٰبٌ أُحْكِمَتْ ءَايَـٰتُهُۥ ثُمَّ فُصِّلَتْ مِن لَّدُنْ حَكِيمٍ خَبِيرٍ
Alif, Lam, Ra. [This is] a Book whose verses are perfected and then presented in detail from [one who is] Wise and Acquainted.
Hud
الٓر ۚ كِتَـٰبٌ أُحْكِمَتْ ءَايَـٰتُهُۥ ثُمَّ فُصِّلَتْ مِن لَّدُنْ حَكِيمٍ خَبِيرٍ
Alif, Lam, Ra. [This is] a Book whose verses are perfected and then presented in detail from [one who is] Wise and Acquainted.
Nearby ayahs help place verse 11:1 in sequence and meaning.
أَلَّا تَعْبُدُوٓا۟ إِلَّا ٱللَّهَ ۚ إِنَّنِى لَكُم مِّنْهُ نَذِيرٌ وَبَشِيرٌ
[Through a messenger, saying], "Do not worship except Allah. Indeed, I am to you from Him a warner and a bringer of good tidings,"
وَأَنِ ٱسْتَغْفِرُوا۟ رَبَّكُمْ ثُمَّ تُوبُوٓا۟ إِلَيْهِ يُمَتِّعْكُم مَّتَـٰعًا حَسَنًا إِلَىٰٓ أَجَلٍ مُّسَمًّى وَيُؤْتِ كُلَّ ذِى فَضْلٍ فَضْلَهُۥ ۖ وَإِن تَوَلَّوْا۟ فَإِنِّىٓ أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ كَبِيرٍ
And [saying], "Seek forgiveness of your Lord and repent to Him, [and] He will let you enjoy a good provision for a specified term and give every doer of favor his favor. But if you turn away, then indeed, I fear for you the punishment of a great Day.