If we would prevail, we must persist; we must continue incessantly and constantly, and know no pause to our prayer till we win the mercy to the fullest possible extent. “Men ought always to pray.” Week by week, month by month, year by year; the conversion of that dear child is to be the father’s main plea. The bringing in of that unconverted husband is to lie upon the wife’s heart night and day till she gets it; she is not to take even ten or twenty years of