It is energy-the central element of which is will-that produces the miracles of enthusiasm in all ages. Everywhere it is the mainspring of what is called force of character and the sustaining power of all great action.

Advertising Disclosure: Please note that many links to retailers are affiliate links, which yields a commission for us. allauthor.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon sites.