The use of language is one of the most powerful persuasion tools and the influence it generates is your most valuable skill. By studying the phrases on these cards, you will discover just how quickly you can improve your language skills. Influence is at the heart of all successful communication, so whether you are selling an idea to friends or business associates, working with clients who are resistant to change, or trying to get your way in a business deal, understanding the language on these cards will help you get one up on anyone you are working with.