'Think for a minute about what electricity is and how we use it, and you will have some notion, however approximate, of God. We use electricity to light and heat our houses, and power all kinds of machines and appliances, but we have to be very careful of how we handle it, for it is easy to cause an accident. Direct contact with an electric current can be fatal. In order to harness and use it without danger, we have to channel it through transformers. The same can be said of God: God is like a pure current of electricity which has to pass through transformers before it reaches us. And the transformers that God uses are the countless luminous beings that populate the heavens, known to tradition as the choirs of angels or angelic hierarchies. It is through them that we receive divine life; it is through them that we can be in contact with God.