Do not listen to those who weep and complain, for their disease is contagious.

Og Mandino

About Og Mandino

Augustine "Og" Mandino II (December 12, 1923 – September 3, 1996) was an American author and salesman. He wrote the bestselling book The Greatest Salesman in the World. His books have sold over 50 million copies and have been translated into over 25 languages. He was the president of Success...

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