By Donna-Marie Cooper O’Boyle, Catholic Exchange - Saint Louis teaches us about the many fundamental aspects of a true devotion to Mary, which ultimately unites us to Jesus. This devotion is a smooth, short, perfect, and sure way of attaining union with our Lord, in which Christian perfection consists... This devotion is a smooth way... It is the path which Jesus Christ opened up in coming to us and in which there is no obstruction to prevent us reaching Him.