Nahj al-Balāgha

Hadith 283
duarepentance
اللَّهُمَّ اغْفِرْ لِي مَا تَقَرَّبْتُ بِهِ إِلَيْكَ بِلِسَانِي ثُمَّ خَالَفَهُ قَلْبِي.
My Allah forgive me that with what I sought nearness to Thee with my tongue but my heart opposed and did not perform it.
Source: al-Sharīf al-Raḍī