We become what we think about!

There are many motivations supporter and it has become more and more popular. If you look at the U.S., where is the billion-industry and some of them are as famous as film stars, then I think about Antony Robbins. He has even participated in a film because of his celebrity knowledge.
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I myself am not so fond of the Robbins, he yells too much. When he did not shout so tend to exaggerate everything. I do not think we have to make everything perfect. It is quite ok to be who you are. But if you have a basic desire for a better life or a major goal, so many of motivation books are pretty good.
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Personally, I prefer Brain Tracy, as he is more sober and rational. Then, you have many other speakers and writers who, Jim Rohner, Stephen Covey, Zig Ziglar and Denis Waitley mm

But How everything started?

Must be someone who started with the whole 'motivation and positive thinking "ideas!

The oldest book that I know of, was written in 1904 and is classic in "Motivation". The book called As A Man Thinketh! As is written by James Allen. It is pretty good book if you can read through the old and difficult English. It is available as a free Ebook for many websites. Then there is another book that is less well known, The Science of Getting Rich, but it is more or less bad copy of "As A Man Thinketh!"

Then the author Napoline Hill, Think and Grow rich which more or less about how to try to change their attitudes and start thinking positively. It is pretty unique history because the author Napoline Hill received assignments from, the time richest man, Dale Garnegie, to find the answer to why it was successful. But still, it is difficult and ancient languages and also for religious
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If I were to choose an author who explains the whole motivation hysteria basic idea and what success really means and how very easily can get started, I would undoubtedly choose Earl Nightingale.

Earl Nightingale wrote the book“The Strangest Secret in the World” in 1956 and became best sellers pretty quickly. Following him was the entire motivation industry upturn. So you can call him "motivation Warren Buffett"!
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One of his most famous quote is:

”We become what we think about” – Earl Nightingale

He has also made a recording of 20 min, which explains the whole concept. Personally, I think it is among the best that has been made on their time and explain the entire motivation and positive thinking in a simple manner. Indeed, even if you are critical of the entire motivation of the talking so you should listen to it here because it explains so logical and rational way, so it is difficult to argue against. Which is very rare at that time because it was common to mixers in motivation with religion.