6:44Then, when they disregarded what they were reminded of, We opened for them the gates of all things. Until, when they delighted in what they were given, We seized them suddenly; and at once, they were in despair.

6:125Whomever God desires to guide, He spreads open his heart to Islam; and whomever He desires to misguide, He makes his heart narrow, constricted, as though he were climbing up the sky. God thus lays defilement upon those who do not believe.