"May the forces of evil become confused on the way to your house"

This quote by George Carlin is a humorous method of wanting someone good luck. It suggests that the person is dealing with some kind of obstacle or trouble, which they may need some extra assistance to overcome it. The quote suggests that the person ought to expect the forces of evil to end up being confused and disoriented on their way to the individual's home, so that they will not be able to cause any harm. This is an easy going way of wishing someone luck and security from any possible damage. It is a funny way of expressing a sincere want somebody's security and success.