In today’s episode, we explore Thomas Aquinas’s discussion on the mission of the divine persons in Summa Theologica, Part One, Question 43, Articles 4–8. Aquinas explains why only the Son and the Holy Spirit are sent and why the Father is never sent.

We begin by addressing the key objections:

• If mission means being sent, does this imply inferiority?
• Can God’s presence truly change when He is omnipresent?
• If mission follows procession, does that mean only the Son and Spirit can be sent?

Aquinas clarifies that mission does not imply inferiority but follows the eternal order of procession—the Son proceeds from the Father, ...