What is the way and the cure to stop masturbating permanently, and are there specific Quranic verses that help in avoiding it?

There are no specific verses to be recited in such a situation. However, it is advisable to recall verses that praise chastity and those who uphold it, such as Surahs Al-Mu'minun and Al-Ma'arij, as well as verses that mention Paradise, Hellfire, and the terrors of the Day of Judgment. One can also refer to fatwas regarding how to rid oneself of masturbation.