Joyce Meyer has a knack for coining phrases (Joyce-isms) and one of her best loved is Where the mind goes, the man follows.'' Meyer provides keys for ''powerful thinking,'' giving the reader an ability to use the mind as a tool to achievement. In PowerfulThinking, a book small and portable enough to fit in a purse, suitcase, backpack, briefcase, or even a pocket, she outlines a flexible program to turn thoughts into habits, and habits into success''--