Practicing something in your imagination before doing it. The better the mental rehearsal, the more likely you are to succeed. For example, if a pole-vaulter does a mental rehearsal of going easily over the bar set at a certain height, it is more likely that he or she will succeed.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...