You never quite know in business if what you are doing is the right or the wrong thing. Unfortunately, by the time you know the answer, someone has beaten you to it and you are out of business.
Mark CubanYou could be beaten down by anybody and by everybody and it doesn't matter what everybody else thinks it's how you see yourself and what your own dreams are. And, you know, anybody who started a business and build a business knows there's going to be lots of times when you feel beaten down and you need some motivation and that's when I turn to that book among others.
Mark Cuban