Authors:

It's marvelous the change that comes about when a man gets together all his forces and centers them upon the doing of one thing at a time.

George Matthew Adams (2016). “You Can: A Collection of Brief Talks on the Most Important Topic in the World-Your Success”, p.20, Ravenio Books
It's marvelous the change that comes about when a man gets together all his forces and centers them upon the doing of one thing at a time.