24-3 Ahmad ibn Muhammad ibn Yahya al-Attar - may God be pleased with him - narrated that his father quoted Ahmad ibn Muhammad ibn Isa, on the authority of Al-Hassan ibn Mahboob, on the authority of Umar ibn Yazid, on the authority of someone, on the authority of Aba Abdullah as-Sadiq (MGB)
“Whoever says the Al-Vatr prayers at the end of the night and says ‘I ask God for forgiveness and I repent’ (‘Istaqfurallah va Atubo ellayh) seventy times while standing up and perseveres thereon for one year will be recorded amongst those who ask for forgiveness at dawn by God and his forgiveness by God becomes certain.”