She could walk down the street with her light turned off, and no one would even notice her. Then, she could consciously turn on her light, and could be seen like a brightly flashing neon. I read this many years ago, and think about it often. I tried it, and it works. Imagine the power of manipulating light.
Light is energy, and it can be used in many ways.
We can use it to shine on the dark corners of life - or we can cut the light out entirely. It's our choice. As the creations of the same Creator, I believe that we have a moral obligation to shine as brightly as possible for one another. Imagine that you are entering a dark place. We are strange creatures.