Seeking forgiveness and repentance

قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم: "وَاللَّهِ إِنِّي لأَسْتَغفِرُ اللَّهَ وَأَتُوبُ إِلَيْهِ فِي الْيَوْمِ أَكْثَرَ مِنْ سَبْعِينَ مَرَّةٍ"

Allah's Messenger (ﷺ) said: "By Allah, I seek the forgiveness of Allah, and repent to Him more than seventy times in a day.

Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 11/101.