St. Ignatius' Spiritual Exercises are considered on of the great treasures of the Church. One of its most well known and helpful parts in the spiritual life are his rules for the discernment of spirits. Below we present them in their entirety.
Introduction to the Spiritual Exercises of St. Ignatius of Loyola
Point #1 - For as strolling, walking and running are bodily exercises, so every way of preparing and (1) disposing the soul to rid itself of all the disordered tendencies, and, after it is rid, to (2) seek and find the Divine Will as to the management of one’s life for the salvation of the soul, is called a Spiritual Exercise.