2005. hadíth
أَوَّلُهَا: النَّدَمُ عَلَى مَا مَضَى.
The first is to repent over the past;
Nahj al-Balāgha
al-Sharīf al-Raḍī
Sayings
True meaning of istighfār in Islam
A fordítás angol nyelvű (Sayed Ali Raza), forrás: Thaqalayn.net.