Allah is one of the aspects of disbelief

If turning away from repentance is due to despair of the mercy of Allah, then such a person should know that despairing of the mercy of Allah is one of the aspects of disbelief and the disbelievers.[1]

If a sinful turns away from repentance thinking that Allah is unable to accept his repentance and forgive him, he should know that this matter is from the morals of the stubborn Jews.[2]

If a sinful turns away from repentance out of pride, defiance and impudence before his generous Lord, he should know that Allah is mighty and powerful and He does not like such pride and impudent persons to be in His sacred yard. A person, who lives outside the circle of the love of Allah, lives a dry spirituality and is stuffed inside his dark soul besides that he is saved neither in this life nor in the afterlife.[3]

A sinful one has to know that his turning away from repentance-in spite of that the door of repentance is always open and one is able to repent with the previous mentioned conditions and that Allah accepts repentance from His people-is the very injustice against oneself and distorting and destroying the high Divine facts. Allah has said,

“…and whoever does not turn, these it is that are the unjust.” Qur'an, 49:11

“Surely (as for) those who persecute the believing men and the believing women, then do not repent, they shall have the chastisement of hell, and they shall have the chastisement of burning.” Qur'an, 85:10