"Without some influx of the contemplative life the active life is almost useless; of itself not sufficient." Echoing the thoughts of 'Soul of the Apostolate' Fr. De Ponte proceeds to lay the ground work for all Christian souls to learn the holy art of mental prayer, which is essential to salvation according to many great spiritual authors, such as Saint Alphonsus Ligouri. Saint John Chrysostom says: "as when a queen enters into a city there enter with her, in her company, many ladies and noblemen of the Court, besides her guard and innumerable people that follow her; so when prayer enters...