Reading The Summa

Why this Question Matters. Right at the start of his treatment of the Trinity Aquinas identified subsistent relation as the key concept in i...

Preamble. Aquinas has now spent some time investigating the Persons of the Trinity as Persons. For the rest of the Trinitarian treatise, he ...

Why this Question Matters. In Acts 2:38, Peter foresees the gift of the Holy Spirit to those who repent and are baptized. The final topic in...

Why this Question Matters. In the second of this trio of questions concerning the Holy Spirit, Aquinas asks about how we can consider the na...

Why this Question Matters. Having devoted one question to the Person of the Father and two the Person of the Son, Aquinas continues the Trin...

Why this Question Matters. Continuing his discussion of the Person of the Son, Aquinas now dedicates one of the shortest questions in the su...

Why this Question Matters. Aquinas now turns to the Person of the Son. We already refer to this Person of the Trinity as “Son” but there are...

Preamble Aquinas has dealt with the Persons of the Trinity in general in Questions 29-32 and will return to a more detailed comparison of th...

Why this Question Matters. Aquinas believes that the fact that God is Trinity is purely a truth of revelation indemonstrable by human reason...