Quran 23:66 from Surah Al-Muminoon on Divine Marvels.
قَدۡ كَانَتۡ ءَايَٰتِي تُتۡلَىٰ عَلَيۡكُمۡ فَكُنتُمۡ عَلَىٰٓ أَعۡقَٰبِكُمۡ تَنكِصُونَ
English translation: Verily were My Verses recited to you but you used (to) on your heels turn back
Transliteration: qad kanat ayati tut'la alaykum fakuntum ala a'qabikum tankisuna