Quran 38:88 from Surah Saad on Divine Marvels.
وَلَتَعۡلَمُنَّ نَبَأَهُۥ بَعۡدَ حِينِۭ
English translation: And surely you will know its information after a time
Transliteration: walata'lamunna naba-ahu ba'da hinin