Isaías 21

Isaías 21:2

We receive the Son's light from the Father's light in the light of the Spirit: that is what we ourselves have seen and what we now proclaim—it is the plain and simple explanation of the Trinity. Let the treacherous deal treacherously, let the transgressor transgress—we shall preach what we know. We shall climb a lofty mountain and shout it out, if we are not given a hearing below. We shall extol the Spirit; we shall not be afraid. If we do have fear, it will be of silence, not of preaching. — ON THE HOLY SPIRIT, THEOLOGICAL ORATION 5 (31).3