
Tomorrow is what's known as Trinity Sunday, probably the most confusing festival of the church year. We celebrate a God who is one Person and at the same time three Persons, Father, Son and Holy Spirit. It's an idea that became codified pretty early on in the history of Christianity, but theologians have struggled down the years to explain it to lay people. For an exhaustive (and exhausting) exploration of the subject, you can check out the Creed of Athanasius, which includes such riveting prose as: "...we worship one God in Trinity, and Trinity in Unity; neither confounding the Persons, nor dividing the Essence. For there is one Person of the Father; another of the Son; and another of the Holy Ghost. But the Godhead of the Father, of the Son, and of the Holy Ghost, is all one; the Glory equal, the Majesty coeternal. Such as the Father is; such is the Son; and such is the Holy Ghost." He goes on in that vein for several pages. The concept even appears in my work-in-...