I had a skeptical upbringing, but when I was little I liked songs with lights in them, so my mother dredged up songs from her Methodist Sunday school. In addition to "Jesus Wants Me for a Sunbeam" & "Lead, Kindly Light," those included

Do not wait until some deed of greatness you may do.
Do not wait to spread your light afar.
To the many duties here around you now be true --
Brighten the corner where you are.

Brighten the corner where you are,
Brighten the corner where you are.
Someone far from harbor you may guide across the bar:
Brighten the corner where you are.