Then Satan whispered to them that he will show them their organs of modesty which were concealed from them and said : 'Your Lord forbade this tree to you lest you turn into angels or become immortal!

7 : 21

And then he swore to them saying : 'I am merely a well-wisher of yours!'

(A blatant lie that launched the infamous career of Satan upon earth as a sworn enemy of man, a role which he has been playing with considerable success, lurking in the darkest recesses of the human mind and heart; pouncing upon the vulnerable; entrapping the weak with temptations; leading the lost into mazes of sin and turpitude; pushing the wicked up the ladder of success so that their wickedness strengthened; putting the staff of power in the hands of those who wielded it without mercy; shredding away the garb of innocence, bringing out the beast in men; encouraging lust; promoting solecism; harnessing sin, recruiting a strong army of his sycophants to help him stow hell with iniquitous men and women who had no qualms about renouncing Allah in preference to the devil; or moving away from the path which led to Him and joining the path which took them away from Him; or renouncing the everlasting bliss of the Hereafter in exchange for the momentary pleasures with which he lured them).