He says: "If given the chance" I may be able to do all I have neglected and left undone and imprint my deeds with wisdom and piety. Never. But this is a wish he expresses in words! Once the souls have been disembodied and crossed to the other world, it is then a one - way journey with no return. Behind them there is an impassable barrier barricading the passage back until the Day of Resurrection when people are then restored to life.