Quran 51:13 from Surah Adh-Dhaariyat on Divine Marvels.
يَوۡمَ هُمۡ عَلَى ٱلنَّارِ يُفۡتَنُونَ
English translation: A Day they over the Fire will be tried
Transliteration: yawma hum ala al-nari yuf'tanuna