Quranic Coherence and Perfection

الٓر ۚ كِتَـٰبٌ أُحْكِمَتْ ءَايَـٰتُهُۥ ثُمَّ فُصِّلَتْ مِن لَّدُنْ حَكِيمٍ خَبِيرٍ

Alif, Lām, Rā. [This is] a Book whose verses are perfected and then presented in detail from [one who is] Wise and Aware