Catechism Paragraph 264
Part 1:
THE PROFESSION OF FAITH
Section 2: THE CREEDS
Chapter 1: I BELIEVE IN GOD THE FATHER
Article : IN BRIEF
Section 2: THE CREEDS
Chapter 1: I BELIEVE IN GOD THE FATHER
Article : IN BRIEF
"The Holy Spirit proceeds from the Father as the first principle and, by the eternal gift of this to the Son, from the communion of both the Father and the Son" (St. Augustine, De Trin. 15, 26, 47: PL 42, 1095).