Quran 23:115 from Surah Al-Muminoon on Divine Marvels.
أَفَحَسِبۡتُمۡ أَنَّمَا خَلَقۡنَٰكُمۡ عَبَثٗا وَأَنَّكُمۡ إِلَيۡنَا لَا تُرۡجَعُونَ
English translation: Then did you think that We created you uselessly and that you to Us not will be returned
Transliteration: afahasib'tum annama khalaqnakum abathan wa-annakum ilayna la tur'ja'una