Thank you for checking out this book by Theophania Publishing. We appreciate your business and look forward to serving you soon. We have thousands of titles available, and we invite you to search for us by name, contact us via our website, or download our most recent catalogues. Are you an unusually persevering and persistent person? Or, like most of us, do you sometimes find it difficult to stick to the job until it is done? What is your usual experience in this respect? Is it not this, that you work steadily along until of a sudden you become conscious of a feeling of weariness, crying "Enough " for the time being, and that you then yield to the impulse to stop? The Lagging Brain