One of the richest men in the world, the legendary industrialist Andrew Carnegie was convinced that he had discovered the real secret of creating wealth, and commissioned a young reporter named Napoleon Hill to interview 400 of the richest people alive to see if they too had used this secret to create their fortunes.

 

Hill spent the next twenty years meeting up with nearly every person on the list, and discovered that, without fail, they had followed the same simple blueprint for wealth. The book he eventually published, Think and Grow Rich, has become one of the bestselling non-fiction books of all time. The secret Carnegie and all the great achievers used to create riches in their lives was simply this -  

 

“All wealth is created with the human mind”

 

*Example - At one time, oil was not considered to be of any use - it was essentially a waste product. Someone's mind turned it from a waste product into one of the most valuable commodities in the world today.