CHAPTER VI. TESTIMONY OF S. PAUL TO S. PETER'S PRIMACY. Detailed mention of the Primacy not to be expected in S. Paul's Epistles: but an incidental one occurs often 159 Four notices of Peter in 1 Ep. to Cor. 160 Paul's visit to Peter Gal. i. 16 162 Theodoret, Chrysostome, Tertullian, Mar. Victorinus, Ambrosiaster, S. Jerome, S. Thomas Cant. on this passage 163 Paul's second visit.--Parallel between Peter with James and John on the one hand, and Paul with Barnabas and Titus on the other 165 The censure of Peter by Paul, Gal. ii. 169 S. Chrysostome's and S. Jerome's remarks 170 Misuse of this passage by ancient and modern heretics 171 Contrast of the three ancient interpretations with those of modern heretics 172 Fundamental opposition between the Fathers and the Reformers 176 CHAPTER VII. THE PRIMACY OF PETER INVOLVED IN THE FOURFOLD UNITY OF CHRIST'S KINGDOM. The person of the God-man the principle of headship in the Church 178 Testimony of the Fathers to this 179 Fourfold unity resulting from this headship 181 First unity of mystical influx 182 The second unity of charity, whose efficient principle is the Holy Spirit.--Third unity of faith, whose efficient principle is the Holy Spirit acting through the visible hierarchy 183 Set forth by S. Paul also 185 Headship of mystical influx does not obviate the creation of an external hierarchy 188 Fourth unity of visible headship.--This the root and efficient principle of the visible hierarchy 190 The one body is complete 192 The unity of a college not sufficient to express our Lord's personal unity 193 Positive teaching corresponds to the inherent notion of the Church 194 The Father in the holy Trinity what Peter's see is in the Church 195 Summary of this fourfold unity 196 Importance of S. Peter's office hence resulting 197 CHAPTER VIII. SUMMARY OF THE PROOF GIVEN FOR S. PETER'S PRIMACY.