Written one of the world most famous book Think and Grow Rich, which is still one of the best-selling till today. His teachings is timeless and teaches you how to achieve whatever you want out of life.  He stresses the importance of having a DEFINITION OF PURPOSE which is the knowledge of knowing what one wants and a burning DESIRE to posses it.

Quotes by Napoleon Hill :

"One of the most common causes of failure is the habit of quitting when one is overtaken by temporary defeat."

"Henry Ford was a success because he understood and applied the principles of success.  One of these is desire: knowing what one wants."

"Before we can accumulate riches in great abundance, we must magnetize our minds with intense desire for riches, that we must become 'money conscious' until the desire for money drives us to create definite plans for acquiring it."

"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."

"Every adversity, every failure, every heartache carries with it the seed on an equal or greater benefit."

"The starting point of all achievement is desire. Keep this constantly in mind. Weak desires bring weak results, just as a small amount of fire makes a small amount of heat."

"There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it."

"Through some strange and powerful principle of "mental chemistry" which she has never divulged, nature wraps up in the impulse of strong desire, "that something" which recognizes no such word as "impossible," and accepts no such reality as failure."

"When defeat comes, accept it as a signal that your plans are not sound, rebuild those plans, and set sail once more toward your coveted goal."

"Most great people have attained their greatest success just one step beyond their greatest failure."

"Edison failed 10,000 times before he made the electric light. Do not be discouraged if you fail a few times."

"Do it now! can affect every phase of your life. It can help you do the things you should do but don't feel like doing. It can keep you from procrastinating when an unpleasant duty faces you.  But it can also help you do those things that you want to do. It helps you seize those precious moments that, if lost, may never be retrieved."

"Our minds become magnetized with the dominating thoughts we hold in our minds and these magnets attract to us the forces, the people, the circumstances of life which harmonize with the nature of our dominating thoughts."

"All the breaks you need in life wait within your imagination, Imagination is the workshop of your mind, capable of turning mind energy into accomplishment and wealth." 

"Desire is the starting point of all achievement, not a hope, not a wish, but a keen pulsating desire which transcends everything."

"Hold a picture of yourself long and steadily enough in your mind's eye, and you will be drawn toward it."

"It has always been my belief that a man should do his best, regardless of how much he receives for his services, or the number of people he may be serving or the class of people served."

"More gold has been mined from the thoughts of men than has been taken from the earth."

"Success in its highest and noblest form calls for peace of mind and enjoyment and happiness which come only to the man who has found the work that he likes best." 

"The world has the habit of making room for the man whose actions show that he knows where he is going."

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"Anything that takes less than 2 minutes to complete should be done immediately."
*--unknown

"The truth is you can acquire any quality you want by acting as though you already have it." 
*-- Joseph Murphy

"To succeed in any undertaking, any art or any trade or any profession, simply keep it ever persistently fixed in mind as an aim, and then study to make all effort toward it play or recreation. The moment it becomes hard work, we are not advancing."
*-- Prentice Mulford

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