Al-A'raaf • EN-TAFSIR-AL-TUSTARI
﴿ وَلَمَّا سُقِطَ فِىٓ أَيْدِيهِمْ وَرَأَوْا۟ أَنَّهُمْ قَدْ ضَلُّوا۟ قَالُوا۟ لَئِن لَّمْ يَرْحَمْنَا رَبُّنَا وَيَغْفِرْ لَنَا لَنَكُونَنَّ مِنَ ٱلْخَٰسِرِينَ ﴾
“although [later,] when they would smite their hands in remorse, having perceived that they had gone astray, they would say, "Indeed, unless our Sustainer have mercy on us and grant us forgiveness, we shall most certainly be among the lost!"”
And when they became at a loss... He [Sahl] said:That is, they regretted [what they had done]. You say that �it falls into a person�s hands� when he regrets something.His words, Exalted is He: