(Annisa) 4 : 106
وَاسْتَغْفِرِ اللَّهَ ۖ إِنَّ اللَّهَ كَانَ غَفُورًا رَحِيمًا
And you seek forgiveness to Lord Allah, indeed Allah is the Oft-forgiving, the Merciful.
The Messenger and believers are commanded to seek forgiveness to Lord if they slip away their hearts from Straightpath.