Basil of Caesarea is one of the giants of the past. He was a pastor, a writer, and a theologian. His work On the Holy Spirit is still the best book you can read on the topic. And we have abundant access to his life through his extant letters. In Letter 38, for example, he writes to his brother Gregory of Nyssa (who would later preside over the Council of Constantinople), giving Gregory a crash course on the Trinity.
And it is quite simply the best short guide to the Trinity that I have ever read. I outline the argument below, so that you can participate in the crash course and become a better person (really). By learning more about God, you grow in your experience of God. And this is how God grows us from one level of glory to another. Put more explicitly, by the Holy Spirit we gaze into the face of Christ so as to see the Father in it; by this knowledge, we grow from one level of glory to another. [Read more…] about Basil of Caesarea’s Crash Course on the Trinity