" In the creeds common to East and West, references to the Spirit are brief and occasional, at times sounding even perfunctory. In liturgy, one will find many lines praising Father and Son, followed by a phrase “with the Holy Spirit” as a kind of afterthought. Our language is often revealing—the Spirit is a third person in a third place. At times the Spirit can even sound like an appendage to the doctrine of God and a shadowy, ghostly, poor relation of the Trinity. "

― , Flame of Love: A Theology of the Holy Spirit