Here's a thought I leave you to ponder. Light has no shadow! The Bible says. "God is light; in him there is no darkness at all" 1 John We can't see Jesus but he is there, just like the shadow of the light on the match.
Today is Pi Day, for obvious reasons. Pi is a Greek letter representing the ratio of a circle's circumference to its diameter, a mathematical constant. If a circle's diameter is one, its circumference is approximately Happy Pi day.