“Spiritual power is a force which history clearly teaches has been the greatest force in the development of men. Ye. we have been merely playing with it and never have really studied it as we have the physical forces. Some day people will learn that material things do not bring happiness, and are of little use in making people creative and powerful. Then the scientists of the world will turn their laboratories over to the study of spiritual forces which have hardly been scratched.”
![“[I predict] the electricity generated by water power is the only thing that is going to keep future generations from freezing. Now we use coal whenever we produce electric power by steam engine, but there will be a time when there'll be no more coal to use. That time is not in the very distant…” quote by Charles Proteus Steinmetz](https://sms4smile.com/quotes/img-quotes/6f3/charles-proteus-steinmetz-2577_available_i-predict-the-electricity-generated-by-w_1873352.jpg)
