172, 203-210

Mysticism, 1-3

Necessity, to make a virtue of, 35, 44

Nestorius's error concerning the Person of Christ, 161

Novelty of St. Thomas's teaching, 6, 7

"Obsecration" as a part of prayer, 147-149

Observance, strictness of, 257

Occultism, 3

Office, attention at the Divine, 128

Origen on sanctity, 47;
on not swearing, 148

Passion, Meditation on the Sacred, 59, 63, 128

Perfection, 44

Peter Lombard, 25

Philosophy is better than riches, 236

_Postillae_, 24

Prayer to St. Thomas before study, A, 16

Prayer: _defined_, 68, 69, 76, 78, 85, 102, 1O5, 127, 136, 148;
it is an act, 161;
not an act of the appetitive powers, 68, 71, 77;
it is an act of the virtue of religion, 76-80, 161;
after devotion, prayer is the highest act of the virtue of religion,
77;
it is a conversation with God, 74;
by it we become God's beggars, 110;
it is peculiar to the rational creation, 112-114;
in what sense the brute creatures pray, 114;
prayer is a gift from God, 139;
three requisites for prayer, 146;
four requisites for prayer, 138;
the real meaning of "petition," 78, 79;
the prayer of desire, 92, 105;
in what sense desire is not prayer, 77, 78;
prayer is a real cause, 72, 74, 166
_Why we should pray:_
prayer is reasonable, 71-76, 107, 120, 147;
the merit of prayer, 125, 137-143;
the effects of prayer, 71, 120, 125, 132, 138;
prayer causes union with God, 70, 71
_Errors concerning prayer:_
in general, 72;
it is not an adjuring of God, 148;
it never wearies God, 79, 80;
"much speaking" in prayer, 135;
it cannot change God's decrees, 72, 73, 86, 107, 161;
it does not "bend" His will, 86;
God knows beforehand what we would pray for, 73, 75, 80, 86, 120
_Of prayers heard and unheard:_
the condition necessary if our prayers are to be heard, 89, 96, 141,
144;
of prayers heard in anger, 142, 143;
in what sense the prayers of sinners are heard, 143-146;
the prayers of the poor are speedily heard, 69;
how the prayers of the Saints are heard, 162, 168;
the prayers of the Martyrs and Apostles, 162, 163;
why prayers are not heard, 142;
of unheard prayers, 140;
why our prayers for others are sometimes not heard, 96;
in what sense the prayers of sinners are heard, 143-146
_How we should pray:_
at regular intervals, 134;
our attitude in prayer, 150, 151;
beginning occupations with prayer, 70