Wouldn't we all love to harness the power of concentration? The third of the five lessons from Dumont's classic is excellent in helping you do just that. Filled with practical advice, much of it surprisingly fresh and relevant, as well as aphorisms and stories, these early writings provide reassurance that our thoughts can change our life, our intentions can build our resources and create opportunity, and no matter what corner we find ourselves in we can always burst through doors we thought locked.