سورة Az-Zumar ( The Groups ) - الآية 56

Lest a person should say: \"Alas, my grief that I was undutiful to Allah (i.e. I have not done what Allah has ordered me to do), and I was indeed among those who mocked [at the truth! i.e. La ilaha ill-Allah (none has the right to be worshipped but Allah), the Quran, and Muhammad SAW and at the faithful believers, etc.]