HAPPY PENTECOST! ST IRENAEUS ON THE SENDING OF THE HOLY SPIRIT. 3 min read Pentecost HAPPY PENTECOST! ST IRENAEUS ON THE SENDING OF THE HOLY SPIRIT. catholicsstrivingforholiness June 8, 2019 HAPPY PENTECOST SUNDAY! ST IRENAEUS ON THE SENDING OF THE HOLY SPIRIT. When the Lord told his... Read More Read more about HAPPY PENTECOST! ST IRENAEUS ON THE SENDING OF THE HOLY SPIRIT.