She smiles, reassured. "It's not the most common metaphor. Usually it's the word of God that's called a light."
"'You must understand this, my beloved: let everyone be quick to listen, slow to speak, slow to anger; for your anger does not produce God’s righteousness. Therefore rid yourselves of all sordidness and rank growth of wickedness, and welcome with meekness the implanted word that has the power to save your souls.'" She stops there for a moment, her thumb stroking over the massed gilt edges of the pages, then says, "This is about being with each other, being people in a community. It doesn't mean it's wrong to get angry at injustices, but it does mean that what is right is to listen to our fellow believers, and be gentle with each other. The gentleness is important - both wickedness and God's words are like plants, here, growing in individual people, but in the community too."