Heaven: there will be no books in, 111; it is our "Fatherland," 166-168, 173 Holiness, 184 Hope, 191, 192 Hugo a St. Caro, 6, 25 Hugh of St. Victor's: on attention at prayer, 126; on intensity, 126 Idolatry, 46 Images, veneration of, 37 Imagination, its function, 195, 201 Imprecations in Holy Scripture, 100 Indulgences, 168 Ingratitude, 94 "Insinuation" in prayer, 141 Intelligence, quickness of, 224 Intellect, the noblest part of man, 79, 80 Intention, 133 "Intercession" as a part of prayer, 146 Intercession of the Saints, 161 Interior Spirit, the true, 247 Interpretive prayer, 163 Isaias, St. Thomas's Commentary on, 10 Isidore of Seville, St.: his etymologies, 24; on religion, 27; on the word _sanctus_, 48; on prayer, 68 Jacob's Vision, 231 Jeremias prays for the people, though he is in Limbo, 115, 118, 162 Jerome, St.: on the error of Vigilantius, who said the prayers of the Martyrs were not heard, 115, 162; on making "a virtue of necessity," 35; on the term "super-substantial" Bread, 103 John of St. Julian, O.P., 5 John XXII., Pope, 23 Josias, King of Juda, in Limbo, 155 Joy as an effect of devotion, 62 Joys of Contemplation, the, 210-216 Justice, the chief of the Moral Virtues, 37, 55, 221 Knowledge, its relation to the Moral Virtues, 182 _Latria_, 30, 34, 44 Leo the Great, St., on the Jews, 56 Lia, the type of the Active Life, 222, 225, 234, 242, 246 Liberty of Spirit, 237 Life: definitions of, 169, 170, 171, 187; considered as intellectual, life may be divided into the Active and the Contemplative, 171, 174; _cf. s.v._ Contemplative Life and Active Life; the Active and Contemplative Life compared, 233-257; the two Lives distinguished, 169-177; their relative order, 249-252; the "mixed" life, 175, 185; the Life of Beatitude, 191; the bestial life, 175; the busy life, 175; the civil life, 175; the leisurely life, 175, 185; the pleasurable life, 175; the life of repose, 172, 173; the life of toil, 172, 173; the voluptuous life, 176 Limbo, 118, 154-156 Litany of the Saints, 158 Living for Eternity, on, 83 Livy on the Decii, 51 Lombard, Peter, 25 Lord's Prayer, the: the seven petitions of, 105-111; the most perfect form of prayer, 105; distractions in saying it, 132; why we say _Our_ Father, and not _My_ Father, 96; this prayer is recited in the name of the whole Church, 145; in what sense we are tied to this restricted form of prayer, 136, 137; the Lord's Prayer as a subject of meditation, 192 Lyons, the Council of, St. Thomas summoned to it, 14 Lyra, Nicolas de, his Gloss, 25 Martyrs: the prayers of the, 162-164; merits of the Martyrs, 256 Marvel, what it is to, 189 Mass, the: to be said distinctly, 122; the Prayers of, 147; the Prayer of the Consecration in the Mass, 149, 150 Maximus Valerius, _On Socrates_, 84