Quran 21:111 from Surah Al-Anbiyaa on Divine Marvels.
وَإِنۡ أَدۡرِي لَعَلَّهُۥ فِتۡنَةٞ لَّكُمۡ وَمَتَٰعٌ إِلَىٰ حِينٖ
English translation: And not I know perhaps it may be a trial for you and an enjoyment for a time
Transliteration: wa-in adri la'allahu fit'natun lakum wamata'un ila hinin