Quran 15:79 from Surah Al-Hijr on Divine Marvels.
فَٱنتَقَمۡنَا مِنۡهُمۡ وَإِنَّهُمَا لَبِإِمَامٖ مُّبِينٖ
English translation: So We took retribution from them and indeed they both (were) on a highway clear
Transliteration: fa-intaqamna min'hum wa-innahuma labi-imamin mubinin