To Be(lieve) or Not to Be(lieve)

For Sunday reflection:

A story has been told of a visitor once to the office of Nobel-prize-winning physicist Niels Bohr who noticed a horseshoe hanging over the scientist's desk. The visitor asks, "Surely you don’t believe that horseshoe will bring you good luck, Professor Bohr?”
To which the brilliant Bohr chuckled and replied, “I believe no such thing, my good friend. Not at all. I am scarcely likely to believe such foolish nonsense. However, I am told that a horseshoe will bring one good luck whether you believe it or not.”