Somewhere in the ancient, mystic trinity You get three as a magic number. The past and the present and the future, Faith and hope and charity, The heart and the brain and the body Give you three. That's a magic number. It takes three legs to make a tri-pod or to make a table stand. It takes three wheels to make a ve-hicle called a tricycle.
Every triangle has three corners, Every triangle has three sides, No more, no less.
You don't have to guess. When it's three you can see it's a magic number. A man and a woman had a little baby. Yes, they did. They had three in the family.