This book is meant for all, layman and clergy alike. This advice is even more important today than it was over a century ago How many have false ideas of devotion and substitute devotions for devotion? In reading this book and Fr. Grou's 'Spiritual Maxims', which he recommends you read after this, we recommend taking no more than a chapter a day and meditating on its contents. Take this holy advice to heart, for the goal here is sanctification. Home-schoolers could take a chapter a week as part of the religious education of high-school children. For grade school we recommend 'A Mother Speaks...