“Understand this law and you will then know, beyond room for the slightest doubt, that you are constantly punishing yourself for every wrong you commit and rewarding yourself for every act of constructive conduct in which you indulge.”
Other Napoleon Hill Quotes
We begin to see, therefore, the importance of selecting our environment with the greatest of care, because environment is the mental feeding ground out of which the food that goes into our minds is extracted.
Napoleon Hill 
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If you must speak ill of another, do not speak it, write it in the sand near the water's edge.
Napoleon Hill
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No accurate thinker will judge another person by that which the other person's enemies say about him.
Napoleon Hill
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The best way to sell yourself to others is first to sell the others to yourself.
Napoleon Hill
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