وَإِذَا قَرَأْتَ الْقُرْآنَ جَعَلْنَا بَيْنَكَ وَبَيْنَ الَّذِينَ لَا يُؤْمِنُونَ بِالْآخِرَةِ حِجَابًا مَّسْتُورًا 
One of the things that lead to the corruption of the heart’s sincerity and monotheism, increase one’s longing for this worldly life, and lead to the abandonment of the hereafter is lust for leadership.