Surat Yunus (Jonas) - يونس

فَكَفَىٰ بِٱللَّهِ شَهِيدًۢا بَيْنَنَا وَبَيْنَكُمْ إِن كُنَّا عَنْ عِبَادَتِكُمْ لَغَٰفِلِينَ ﴿٢٩﴾

Therefore Allah is sufficient as a witness between us and you that we were quite unaware of your serving (us).