Todos os homens, em todas as épocas, oraram, de uma forma ou de outra e, para a autora Catherine Ponder, nunca é demais enfatizar o poder da oração na obtenção da prosperidade permanente.
Napoleon Hill, P. T. Barnum, James Allen, Robert Collier, Prentice Mulford, Genevieve Behrend, Catherine Ponder, Russell H. Conwell, Orison Swett Marden, Wallace D. Wattles & Warren Lapine
Robert Collier, Florence Scovel Shinn, Neville Goddard, William Walker Atkinson, Prentice Mulford, Catherine Ponder, Theron Q. Dumont, Napoleon Hill, Ralph Waldo Trine, Wallace D. Wattles & Warren Lapine
Robert Collier, Neville Goddard, William Walker Atkinson, Prentice Mulford, Catherine Ponder, Theron Q. Dumont, Napoleon Hill, Ralph Waldo Trine, Wallace D. Wattles, Florence Scovel Shinn & Warren Lapine
Napoleon Hill, Wallace D. Wattles, Charles F. Haanel, Ralph Waldo Trine, Florence Scovel Shinn, James Allen, William Walker Atkinson, Theron Q. Dumont, Neville Goddard, Ernest Shurtleff Holmes, William Clement Stone, Prentice Mulford, Catherine Ponder & Robert Collier