Quran 51:23 from Surah Adh-Dhaariyat on Divine Marvels.
فَوَرَبِّ ٱلسَّمَآءِ وَٱلۡأَرۡضِ إِنَّهُۥ لَحَقّٞ مِّثۡلَ مَآ أَنَّكُمۡ تَنطِقُونَ
English translation: Then by (the) Lord (of) the heaven and the earth indeed it (is) surely (the) truth (just) as [what] you speak
Transliteration: fawarabbi al-samai wal-ardi innahu lahaqqun mith'la ma annakum tantiquna