23.الْمُؤْمِنُوْن

قَدۡ كَانَتۡ اٰيٰتِىۡ تُتۡلٰى عَلَيۡكُمۡ فَـكُنۡتُمۡ عَلٰٓى اَعۡقَابِكُمۡ تَـنۡكِصُوۡنَۙ‏

Certainly, My Verses were repeatedly recited to you but you used to turn back on your heels.