I have in my hand a three-way light bulb.

The three-way light bulb was the first attempt at “mood lighting.” One light bulb could be switched on to three different levels of intensity, changing the amount of light it cast over a room.

Trying to read? Click the bulb up to 150 watts.
Just sitting around talking? Click down to 100 watts.
Wanting to snuggle with your sweetie? Click down to 50 watts.

One light bulb, but three different experiences of the light it produced.

This Sunday is “Trinity Sunday.” This is the day Christians around the world take time to consider one of the greatest doctrines of our faith: the magnificence and mystery of divinity that is three-in-one — Father, Son, and Holy Spirit.

If you know your church history, you realize that the Trinity has been one of the tho…