1 St. Leo the Great Sermo 22 in nat. Dom., 3: PL 54, 192C.
2 Jn 1:12; 1 Jn 3:1.
3 2 Pet 1:4.
4 Phil 1:27.
5 Cf. Jn 8:29.
6 Mt 6:6.
7 Mt 5:48.
8 Rom 6:11 and cf. 6:5; cf. Col 2:12.
9 Cf. Jn 15:5.
10 Eph 5:1-2.
11 Phil 2:5.
12 Cf. Jn 13:12-16.
13 2 Cor 6:11.
14 1 Cor 1:2.
15 Cf. 1 Cor 6:19.
16 Cf. Gal 4:6.
17 Gal 5:22, 25.
18 Cf. Eph 4:23.
19 Eph 5:8, 9. 20 Mt 7:13; cf. Deut 30: 15-20.
21 Didache 1, 1: SCh 248, 140.
22 Cf. John Paul II, CT 29.
23 Rom 6:4.
24 Jn 14:6.
25 St. John Eudes, Tract. de admirabili corde Jesu, 1, 5.
26 Phil 1:21.

CHAPTER ONE

1 Lk 15:11-32.
2 GS 22.
3 Col 1:15; cf. 2 Cor 4:4.
4 Cf. GS 22.
5 GS 14 # 2.
6 GS 24 # 3.
7 GS 15 # 2.
8 GS 17.
9 GS 16.
10 GS 13 # 1.
11 GS 13 # 2.
12 Mt 5:3-12.
13 St. Augustine, De moribus eccl. 1, 3, 4: PL 32,1312.
14 St. Augustine, Conf. 10, 20: PL 32, 791.
15 St. Thomas Aquinas, Expos. in symb. apost. I.
16 Cf. Mt 4:17.
17 Mt 5:8; cf. 1 Jn 2; 1 Cor 13:12.
18 Mt 25:21-23.
19 Cf. Heb 4:7-11.
20 St. Augustine, De civ. Dei 22, 30, 5: PL 41,804.
21 2 Pet 1:4; cf. Jn 17:3.
22 Cf. Rom 8:18.
23 St. Irenaeus, Adv. haeres. 4,20,5: PG 7/1, 1034-1035.
24 John Henry Cardinal Newman, "Saintliness the Standard of Christian Principle," in Discourses to Mixed Congregations (London: Longmans, Green and Co., 1906) V, 89-90.
25 Cf. the parable of the sower: Mt 13:3-23.
26 GS 17; Sir 15:14.
27 St. Irenaeus, Adv. haeres. 4, 4, 3: PG 7/1, 983.
28 Cf. Rom 6:17.
29 Gen 3:13.
30 Cf. Gen 4:10.
31 Cf. 2 Sam 12:7-15.
32 Cf. DH 2 # 7.
33 CDF, instruction, Libertatis conscientia 13.
34 Gal 5:1.
35 Cf. In 8:32.
36 2 Cor 17.
37 Rom 8:21.
38 Roman Missal, 32nd Sunday, Opening Prayer: Omnipotens et misericors Deus, universa nobis adversantia propitiatus exclude, ut, mente et corpore pariter expediti, quae tua sunt liberis mentibus exsequamur.
39 Cf. Mt 6:24.
40 Cf. Mk 7:21.
41 St. Thomas Aquinas, STh I-II, 26, 4, corp. art.
42 Cf. St. Augustine, De Trin., 8, 3, 4: PL 42, 949-950.
43 St. Augustine, De civ. Dei 14, 7, 2: PL 41, 410.
44 St. Thomas Aquinas, STh I-II, 24, 1 corp. art.
45 Cf. St. Thomas Aquinas, STh I-II, 24, 3.
46 Ps 84:2.
47 GS 16.
48 Cf. Rom 2:14-16.
49 Cf. Rom 1:32.
50 John Henry Cardinal Newman, "Letter to the Duke of Norfolk," V, in Certain Difficulties felt by Anglicans in Catholic Teaching II (London: Longmans Green, 1885), 248.
51 St. Augustine, In ep Jo. 8, 9: PL 35, 2041.
52 1 Jn 3:19-20.
53 DH 3 # 2.
54 Cf. Ps 119:105.
55 Cf. DH 14.
56 Mt 7:12; cf. Lk 6:31; Tob 4:15.
57 1 Cor 8:12.
58 Rom 14:21.
59 GS 16.
60 1 Tim 5; cf. 8:9; 2 Tim 3; 1 Pet 3:21; Acts 24:16.
61 GS 16.
62 Phil 4:8.
63 St. Gregory of Nyssa, De beatitudinibus, 1: PG 44, 1200D.
64 Wis 8:7.
65 Prov 14:15.
66 1 Pet 4:7.
67 St. Thomas Aquinas, STh II-II, 47, 2.
68 Lev 19:15.
69 Col 4:1.
70 Ps 118:14.
71 Jn 16:33.
72 Sir 5:2; cf. 37:27-31.
73 Sir 18:30.
74 Titus 2:12.
75 St. Augustine, De moribus eccl. 1, 25, 46: PL 32, 1330-1331.
76 Cf. 2 Pet 1:4.
77 Cf. 1 Cor 13:13.
78 DV 5.
79 Rom 1:17; Gal 5:6.
80 Cf. Council of Trent (1547): DS 1545.
81 Jas 2:26.
82 LG 42; cf. DH 14.
83 Mt 10:32-33.
84 Heb 10:23.
85 Titus 3:6-7.
86 Cf. Gen 17:4-8; 22:1-18.
87 Rom 4:18.
88 Rom 5:5.
89 Heb 6:19-20.
90 1 Thess 5:8.
91 Rom 12:12.
92 Cf. Rom 8:28-30; Mt 7:21.
93 Mt 10:22; cf. Council of Trent DS 1541.
94 1 Tim 2:4.
95 St. Teresa of Avila, Excl. 15:3.
96 Cf. Jn 13:34.
97 Jn 13:1.
98 Jn 15:9, 12.
99 Jn 15:9-10; cf. Mt 22:40; Rom 13:8-10.
100 Rom 5:10.
101 Cf. Mt 5:44; Lk 10:27-37; Mk 9:37; Mt 25:40, 45.
102 1 Cor 13:4-7.
103 1 Cor 13:1-4.
104 1 Cor 13:13.
105 Col 3:14.
106 Cf. 1 Jn 4:19.
107 St. Basil, Reg. fus. tract., prol. 3 PG 31, 896 B.
108 St. Augustine, In ep. Jo. 10, 4: PL 35, 2057.
109 Cf. Isa 11:1-2.
110 PS 143:10.
111 Rom 8:14, 17.
112 Gal 5:22-23 (Vulg.).
113 Cf. Lk 15.
114 Mt 1:21.
115 Mt 26:28.
116 St. Augustine, Sermo 169, 11, 13: PL 38, 923.
117 1 Jn 8-9.
118 Rom 5:20.
119 Rom 5:21.
120 John Paul II, DeV 31 # 2.
121 St. Augustine, Contra Faustum 22: PL 42, 418; St. Thomas Aquinas, STh I-II, 71, 6.
122 Ps 51:4.
123 Gen 3:5.
124 St. Augustine, De civ. Dei 14, 28: PL 41, 436.
125 Cf. Phil 2:6-9.
126 Cf. Jn 14:30.
127 Gal 5:19-21; CE Rom 1:28-32; 1 Cor 9-10; EPh 5:3-5; Col 3:5-8; 1 Tim 9-10; 2 Tim 2-5.
128 Mt 15:19-20.
129 Cf. 1 Jn 16-17.
130 St. Thomas Aquinas, STh I-II, 88, 2, corp. art.
131 RP 17 # 12.
132 Mk 10:19.
133 Cf. Mk 3:5-6; Lk 16:19-31.
134 John Paul II, RP 17 # 9.
135 St. Augustine, In ep. Jo. 1, 6: PL 35, 1982.
136 Mt 12:31; cf. Mk 3:29; Lk 12:10.
137 Cf. John Paul II, DeV 46.
138 Cf. St. Gregory the Great, Moralia in Job, 31, 45: PL 76, 621A.
139 Cf. Gen 4:10.
140 Cf. Gen 18:20; 19:13.
141 Cf. Ex 3:7-10.
142 Cf. Ex 20:20-22.
143 Cf. Deut 24:14-15; Jas 5:4.
144 John Paul II, RP 16.

CHAPTER TWO

1 Cf. GS 24 # 3.
2 Cf. GS 25 # 1.
3 Cf. Lk 19:13, 15.
4 GS 25 # 1. 5 John XXIII, MM 60.
6 Cf. GS 25 # 2; CA 12.
7 CA 48 # 4; cf. Pius XI, Quadragesimo anno I, 184-186.
8 CA 36 # 2.
9 John XXIII, PT 36.
10 Cf. CA 41.
11 Pius XII, Address at Pentecost, June 1, 1941.
12 Cf. LG 36.
13 CA 25.
14 Lk 17:33.
15 John XXIII, PT 46.
16 Cf. Leo XIII, Immortale Dei; Diuturnum illud.
17 Rom 13:1-2; cf. 1 Pet 2:13-17.
18 Cf. as early as 1 Tim 2:1-2.
19 St. Clement of Rome, Ad Cor. 61: SCh 167,198-200.
20 GS 74 § 3.
21 GS 74 § 2.
22 St. Thomas Aquinas, STh I-II, 93, 3, ad 2.
23 John XXIII PT 51.
24 CA 44.
25 Ep. Barnabae, 4,10: PG 2, 734.
26 GS 26 § 1; cf. GS 74 § 1.
27 GS 26 § 2.
28 Cf. GS 26 § 2.
29 GS 84 § 2.
30 GS 26 § 3.
31 Cf. CA 43.
32 GS 31 § 3.
33 Cf. GS 30 § 1.
34 GS 31 § 3.
35 John Paul II, SRS 47.
36 Cf. John XXIII, PT 65.
37 GS 27 # 1.
38 Mt 25:40.
39 Cf. Mt 5:43-44.
40 GS 29 # 2.
41 Cf. GS 29 # 2.
42 Cf. Mt 25:14-30; Lk 19:27.
43 St. Catherine of Siena, Dial. I, 7.
44 CS 29 # 3.
45 Cf. John Paul II, SRS 38 40; CA 10.
46 Pius XII, Summi pontificatus, October 20, 1939; AAS 31 (1939) 423 ff.
47 Mt 6:33.
48 Pius XII, Discourse, June 1, 1941.

CHAPTER THREE

1 Phil 2:12-13.
2 Leo XIII, Libertas praestantissimum: AAS 20 (1887/88), 597; cf. St. Thomas Aquinas, STh I-II, 90, 1.
3 Cf. Tertullian, Adv. Marc, 2, 4: PL 2, 288-289.
4 Rom 10:4.
5 Leo XIII, Libertas praestantissimum, 597.
6 GS 89 § 1.
7 St. Augustine, De Trin. 14, 15, 21: PL 42,1052.
8 St. Thomas Aquinas, Dec. praec. I.
9 Cicero, Rep. III, 22, 33.
10 Cf. GS 10.
11 St. Augustine, Conf. 2, 4, 9: PL 32, 678.
12 Pius XII, Humani generis: DS 3876; cf. Dei Filius 2: DS 3005.
13 St. Augustine, En. in Ps. 57, 1: PL 36, 673.
14 Cf. Rom 7:12, 14, 16.
15 Cf. Gal 3:24.
16 Cf. Rom 7.
17 St. Irenaeus, Adv. haeres. 4, 15, 1: PG 7/1, 1012.
18 St. Thomas Aquinas, STh I-II, 107, 1 ad 2; cf. Rom 5:5.
19 Heb 8:8, 10; cf. Jer 31:31-34.
20 St. Augustine, De serm. Dom. 1, 1: PL 34,1229-1230.
21 Cf. Mt 5:17-19.
22 Cf. Mt 15:18-19.
23 Cf. Mt 5:44,48.
24 Cf. Mt 6:1-6; 16-18.
25 Cf. Mt 6:9-13; Lk 11:2-4.
26 Cf. Mt 7:13-14,21-27.
27 Mt 7:12; cf. Lk 6:31.
28 Cf. Jn 15:12; 13:34.
29 Rom 12:9-13.
30 Cf. Rom 14; 1 Cor 5-10.
31 Jn 15:15; cf. Jas 1:25; 2:12; Gal 4:1-7.21-31; Rom 8:15.
32 Cf. St. Thomas Aquinas, STh II-II, 184, 3.
33 St. Francis de Sales, Love of God 8, 6.
34 Rom 3:22; cf. 6:3-4.
35 Rom 6:8-11.
36 Cf. 1 Cor 12; Jn 15:1 4.
37 St. Athanasius, Ep. Serap. 1, 24: PG 26, 585 and 588.
38 Mt 4:17.
39 Council of Trent (1547): DS 1528.
40 Cf. Council of Trent (1547): DS 1529.
41 Rom 3:21-26.
42 Council of Trent (1547): DS 1525.
43 St. Augustine, In Jo. ev. 72, 3: PL 35, 1823.
44 Cf. Rom 7:22; Eph 3:16.
45 Rom 6:19, 22.
46 Cf. Jn 1:12-18; 17:3; Rom 8:14-17; 2 Pet 1:3-4.
47 Cf. 1 Cor 2:7-9.
48 Cf. Jn 4:14; 7:38-39.
49 2 Cor 5:17-18.
50 St. Augustine, De gratia et libero arbitrio, 17: PL 44, 901.
51 St. Augustine, De natura et gratia, 31: PL 44, 264.
52 St. Augustine, Conf. 13, 36, 51: PL 32, 868; cf. Gen 1:31.
53 Cf. LG 12.
54 Cf. 1 Cor 12.
55 Rom 12:6-8.
56 Cf. Council of Trent (1547): DS 1533-1534.
57 Mt 7:20.
58 Acts of the trial of St. Joan of Arc.
59 Roman Missal, Prefatio I de sanctis; Qui in Sanctorum concilio celebraris, et eorum coronando merita tua dona coronas, citing the "Doctor of grace," St. Augustine, En. in Ps. 102, 7: PL 37, 1321-1322.
60 Council of Trent (1547): DS 1546.
61 Cf. Council of Trent (1547): DS 1548.
62 St. Augustine, Sermo 298, 4-5: PL 38, 1367.
63 St. Therese of Lisieux, "Act of Offering" in Story of a Soul, tr. John Clarke (Washington Dc: ICS, 1981), 277.
64 Rom 8:28-30.
65 LG 40 # 2.
66 Mt 5:48.
67 LG 40 # 2.
68 Cf. 2 Tim 4.
69 St. Gregory of Nyssa, Hom. in Cant. 8: PG 44, 941C.
70 Cf. Council of Trent (1547): DS 1576.
71 Rev 21:2.
72 Gal 6:2.
73 Rom 12:1.
74 1 Tim 3:15; LG 17.
75 CIC, can. 747 # 2.
76 LG 25.
77 Cf. LG 25; CDF, declaration, Mysterium Ecclesiae 3.
78 Cf. DH 14.
79 Cf. CIC, can. 213.
80 Cf. 1 Cor 2:10-15.
81 Cf. Rom 12:8, 11.
82 Cf. CIC, cann. 1246-1248; CCEO, cann. 880.3, 881.1, .2, .4.
83 Cf. CIC, can. 989; CCEO, can. 719.
84 Cf. CIC, can. 920; CCEO, cann. 708; 881 # 3.
85 Cf. CIC, cann. 1249-1251; CCEO, can. 882.
86 Cf. CIC, can. 222; CCEO can. 25; Furthermore, episcopal conferences can establish other ecclesiastical precepts for their own territories (Cf. CIC, can. 455).
88 AA 6 # 2.
89 Cf. Eph 1:22.
90 Eph 4:13; cf. LG 39.
91 Roman Missal, Preface of Christ the King.