12 Myths About Luck We Want to Believe-SliderPhoto


7. Knock on wood.
The wood knocking superstition has two potential origins—both dating back to the ancient Celts. First, the Celts sometimes engaged in elaborate rituals involving banging on trees and houses to scare bad spirits away. Second, the Celts also periodically banged on trees to get a good spirit’s attention so that it would bring them good fortune.