[Allāh’s trial and the vanity of Iblīs :] and He has hurled a curse on him who contests with Him concerning them. Then He put His angels on trial concerning these attributes in order to distinguish those who are modest from those who are vain. Therefore, Allāh, who is aware of whatever is hidden in the hearts and whatever lies behind the unseen said: “. . . ‘Verily I am about to create man from clay,’ And when I have completed and have breathed into him of My spirit, then fall ye prostrating in obeisance unto him. And did fall prostrating in obeisance the angels all together, Save lblis;...” (Qur’ān, 38:71-74)