NASAI-KUBRA 10196:
from Abū Hurayrah —
I heard Messenger of Allah ﷺ saying." By Allah! I ask for forgiveness from Allah and turn to Him in repentance more than seventy times a day." (Using translation from Bukhārī 6307)
الكبرى للنسائي ١٠١٩٦:
عن ابو هريره —
قَالَ رَسُولُ اللهِ ﷺ «إِنِّي لَأَسْتَغْفِرُ اللهَ فِي الْيَوْمِ وَأَتُوبُ أَكْثَرَ مِنْ سَبْعِينَ مَرَّةً»