Saint Alphonsus gives wonderful instructions to priests. THE present little work is entitled "A Collection of Materials," and not Discourses or Spiritual Exercises, because although I have endeavored. to collect the material belonging to each subject, I have not observed the order necessary for a regular discourse, nor have I extended the thoughts. They are given without order, and expressed briefly, that the reader may select the authorities, subjects, and thoughts that are most pleasing to him, and may afterwards arrange and extend them as he pleases, and thus make the discourse his own....