 His classic, the Spiritual Exercises, is a guide for making a retreats, for which he is the Church's patron.Jesuits are quite diverse, despite rumors to the contrary, but are united by a zeal that comes from every Jesuit making the Spiritual Exercises.Lay Catholics make a shortened version of the Exercises at retreat houses wherein the director, as did Ignatius, guides each retreatant separately through reflections and "application of the senses" to Jesus' life, for discernment as to what God is asking of them.