Surah Hud 11:1

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

Translation: Saheeh International

Tafsir

Alif lām rā’ God knows best what He means by these letters; this is a Book whose verses have been set clear through marvellous arrangement and wonderful meanings and then detailed expounded through rulings stories and admonitions from One Wise Informed that is from God.

Excerpt from Tafsir al-Jalalayn, commentary on 11:1, via Quran.com. The reader has the full commentary and 9 more tafsirs.