Az-Zumar 39:56

An taqoola nafsun ya hasrataAAala ma farrattu fee janbi Allahiwa-in kuntu lamina assakhireen

Lest a soul should say, "Oh, [how great is] my regret over what I neglected in regard to Allāh and that I was among the mockers."

lest someone should say, “Pity on me, because I fell short in respect of (observing the rights of) Allah and in fact, I was one of those who mocked”,