Vitalizing Influence of Certain Ideas One of the greatest discoveries of modern times is the impellent energy of thought. That every idea in consciousness is energizing and carries with it an impulse to some kind of muscular activity is a comparatively new but well-settled principle of psychology. That this principle could be made to serve practical ends seems never to have occurred to anyone until within the last few years.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.