Probably the most famous single list in the world is the Ten Commandments.

Just one list, 10 things.

Santa Claus maintains two lists, naughty and nice, updating them continuously.

Me? I’ve got three lists: Christmas list, Christmas card list, and my life goal list, referred to now as my “living list.”

I update that one continuously too.

And for a further explanation, check out today’s episode of Math and Musings.