More quotes by Napoleon Hill

"Every person who wins in any undertaking must be willing to cut all sources of retreat. Only by doing so can one be sure of maintaining that state of mind known as a burning desire to win - essential to success."
"Any ideas, plan, or purpose may be placed in the mind through repetition of thought"
"If you can't do great things, do small things in a great way."
"Happiness is found in doing, not merely possessing."
"It is literally true that you can succeed best and quickest by helping others to succeed."