87, 205, 208, 230;
the Beatific Vision of the Angels, 231;
the intelligence of the Angels, 187, 230;
the intercession of the Angels, 165;
their conformity to the will of God, 165, 167;
the Angelic Hierarchies, 201, 230;
the teaching of the Angels 230, 231;
the Active Life of the Angels, 231;
we shall be like to the Angels, how, 230, 231;
Angels gird St. Thomas, 6

Anselm of Laudun, 25

Antony, St.: a patron against Hell-fire, 160;
on discretion, 154, 157

Areopagite. _Cf. s.v._ Denis the Areopagite

Aristotle: on the aptitude for virtue, 35;
on honour, 39;
that the perfection of the moral virtues lies in their mean, 43;
on Justice, 55, 221;
that "reason asks for the best things," 69;
on the need of temporal things, 89;
that "each man's life is that which he would wish to share with his
friend," 170;
that "to live is to be," 170;
on action and contemplation as distinctions in the intellectual life,
171;
that life is primarily in the vegetative soul, 171;
on three kinds of lives, 175;
that knowledge has little to do with the moral virtues, 182, 221;
that every act of the intellect may be termed "consideration," 188;
that the ultimate happiness of man consists in the contemplation of
the highest truth, 193;
of man's dependence on the imagination, 201;
that motion is the act of a perfect thing, 203;
on local motion as the chief of bodily motions, 204;
that delight follows upon a perfect work, 213;
on the nobility of science, 214;
that there is no pleasure contrary to that derived from thought, 217;
on application to the Contemplative Life, 217;
that the Contemplative Life is "beyond man," 218;
that prudence pertains to active happiness, 223;
that he who commits adultery to steal is more a thief than an
adulterer, 223;
that prudence is the right mode of procedure in our actions, 224;
that the ends of the moral virtues are the principles of prudence,
224;
that the proof of the possession of wisdom is the power to teach, 228;
eight proofs that the Contemplative Life is superior to the Active,
234, 235;
on the better lot, 236;
that habits produce perfect acts, 251

Arius, his error regarding the Person of Christ, 161

Athanasius, St., on the chanting of the Psalms, 123

Attention: mental, 225;
in prayer, 125-133;
three kinds of, 128, 129, 133

Attitudes in prayer, 150, 151

Augustine, St.: St. Th