Windscreen wipers, sin and forgiveness

Quandablog tells a story of a mother and 6-year old child. Family life is so great!

“The rain! ;’ she began, ‘is like sin, and the windshield wipers are like God wiping our sins away.’

After the chill bumps raced up my arms I was able to respond.

‘That’s really good, Aspen.’

Then my curiosity broke in. How far would this little girl take this revelation?
So I asked… ‘Do you notice how the rain keeps on coming? What does that tell you?’

Aspen didn’t hesitate one moment with her answer: ‘We keep on sinning, and God just keeps on forgiving us.'”