The accursed and rebellious Satan promises certain things regarding his influence on Man. In the Noble Quran, Chapter 4: the Women, signs 17-21, we can find what he says he would do to his avowed enemy, the sons of Adam.
They call upon instead of Him none but female [deities], and they [actually] call upon none but a rebellious Satan.
In these lines Allah tells us about those who worship the Satan and the female deities. Allah forgives every sin if He wills for anyone but He does not forgive Shirk or associating partners with Him in worship when He is alone the One True God.
Whom Allah has cursed. For he had said, "I will surely take from among Your servants a specific portion.
In this next sign Allah declares that Satan is the one who is accursed. Also we come to know that Satan had rebelled against Allah and became proud of himself telling that he would surely take his portion from Allah's servants.
And I will mislead them, and I will arouse in them [sinful] desires, and I will command them so they will slit the ears of cattle, and I will command them so they will change the creation of Allah ." And whoever takes Satan as an ally instead of Allah has certainly sustained a clear loss.
Satan continues to tell that he will
- Mislead the people
- Arouse sinful desires in them
- Command them to mutilate the animals
- Command them to change the Creation of Allah
We can clearly observe how he is adamantly doing all this around us. The people who do not have a strong connection with their Creator are easy traps for Satan. He is misleading them to dangerous levels, people are now engaging in things that no one had ever imagined, they are prey to the false world of promises and they are not hesitant to change what is natural and gifted by God.
Satan promises them and arouses desire in them. But Satan does not promise them except delusion.
But after informing us that Satan will trap us through all these doors Allah clearly says that all his promises are but a delusion. They will lead you nowhere. They will just make a fool out of you and you will suffer disaster and harm.
The refuge of those will be Hell, and they will not find from it an escape.
Such people who will follow the footsteps of Satan will be thrown in Hell along with him. His promises will not avail anything good for them and they will meet a very bad end.
But this is not as gloomy as it seems because in the next few signs we are given reassurance by Allah:
But the ones who believe and do righteous deeds - We will admit them to gardens beneath which rivers flow, wherein they will abide forever. [It is] the promise of Allah , [which is] truth, and who is more truthful than Allah in statement.
Allah is telling us that this will not happen to those who are the pious, the righteous ones, those who like goodness and those who do good deeds. Allah will reward them with Paradise. As opposed to the promises of delusion, the Promise of Allah is True and He never breaks His Promise.