Word by Word Analysis

أَلَّا تَعْبُدُوٓا۟ إِلَّا ٱللَّهَ ۚ إِنَّنِى لَكُم مِّنْهُ نَذِيرٌ وَبَشِيرٌ 2

[Through a messenger, saying], "Do not worship except Allāh. Indeed, I am to you from Him a warner and a bringer of good tidings,"