Quran Al-Mu'minun 23:66
قَدۡ كَانَتۡ ءَايَٰتِي تُتۡلَىٰ عَلَيۡكُمۡ فَكُنتُمۡ عَلَىٰٓ أَعۡقَٰبِكُمۡ تَنكِصُونَ ٦٦
Translation
My verses had already been recited to you, but you were turning back on your heels
قَدۡ كَانَتۡ ءَايَٰتِي تُتۡلَىٰ عَلَيۡكُمۡ فَكُنتُمۡ عَلَىٰٓ أَعۡقَٰبِكُمۡ تَنكِصُونَ ٦٦
My verses had already been recited to you, but you were turning back on your heels