Quran 37:144 from Surah As-Saaffaat on Divine Marvels.
لَلَبِثَ فِي بَطۡنِهِۦٓ إِلَىٰ يَوۡمِ يُبۡعَثُونَ
English translation: Certainly he (would have) remained in its belly until the Day they are resurrected
Transliteration: lalabitha fi batnihi ila yawmi yub'athuna