Brian Tracy thinks “The most important quality for success in entrepreneurship and in life is the quality of optimism.
“Optimists have an unrealistic expectation of success. As a result, they are willing to try far more things without becoming discouraged.”
But, he adds, “In order to be successful in business, and in any activity where your money is involved, you must temper your optimism with negativism.
Continued in his article Be A Negative Optimist.