Musa ibn Ja'far, from his father Ja'far ibn Muhammad (AS), said: Ali (AS) said: Whoever prays the dawn prayer and then recites "Say: He is God, One" eleven times, no sin will pursue him on that day, though it rub the nose of Satan in the dust. (Masa'il Ali ibn Ja'far, vol. 1, p. 309)
Musa ibn Ja'far narrates from his forefathers, from the Commander of the Faithful (AS): Whoever recites the Sura of Divine Unity eleven times after the dawn prayer is safe from sin that day, even though Satan covet him.
Musa ibn Ja'far, from his father, from Ali (AS), who said: When God the Exalted intends to strike the people of the earth with a punishment, He says: Were it not for those who love one another for the sake of My majesty, and who keep My mosques flourishing, and who seek forgiveness in the hours before dawn, I would have sent down My punishment. (Masa'il Ali ibn Ja'far, vol. 1, p. 344)
Musa ibn Ja'far narrates from his forefathers, from the Commander of the Faithful (AS), that for the sake of those who love one another for His sake, and for the sake of those who keep His mosques flourishing, and for the sake of those who seek forgiveness in the privacy of the last part of the night, God withholds punishment from the people of a land.