Al Mursalat, 48 Ayah

77:48

وَإِذَا قِيلَ لَهُمُ ٱرۡكَعُواْ لَا يَرۡكَعُونَ ٤٨

Wa 'Idhā Qīla Lahumu Arka`ū Lā Yarka`ūna

And when it is said to them, "Bow [in prayer]," they do not bow.