عَنْ عَبْدِ اللَّهِ بْنِ مَعْقِلِ بْنِ مُقَرِّنٍ قَالَ دَخَلْتُ مَعَ أَبِي عَلَى عَبْدِ اللَّهِ بْنِ مَسْعُودٍ رَضِيَ اللَّهُ عَنْهُ فَقَالَ أَنْتَ سَمِعْتَ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ يَقُولُ النَّدَمُ تَوْبَةٌ قَالَ نَعَمْ وَقَالَ مَرَّةً سَمِعْتُهُ يَقُولُ النَّدَمُ تَوْبَةٌ
Abdullah bin Ma’qil says: I went with my father to Sayyiduna Abdullah bin Mas’ud (may Allah be pleased with him). He asked: Have you heard the Messenger of Allah (peace and blessings be upon him) say: Remorse is repentance? He said: Yes.