Our Lord's promise to grant complete forgiveness of sins and punishment on the Feast of Mercy is recorded three times in the Diary of St. Faustina, each time in a slightly different way.
"I want to grant a complete pardon to the souls that will go to Confession and receive Holy Communion on the Feast of My Mercy."
"Whoever approaches the Fountain of Life on this day will be granted complete forgiveness of sins and punishment."
"That soul that will go to Confession and receive Holy Communion will obtain complete forgiveness of sins and punishment.
"I want to grant a complete pardon to the souls that will go to Confession and receive Holy Communion on the Feast of My Mercy."
"Whoever approaches the Fountain of Life on this day will be granted complete forgiveness of sins and punishment."
"That soul that will go to Confession and receive Holy Communion will obtain complete forgiveness of sins and punishment.