"I grew up in a working class family. People thought I might go work at a mill. My mom wanted me to l..." — Mark Cuban

Up until Trump announced his candidacy, the conventional wisdom was that you had to be a professional politician in order to run. You had to have a background that was politically scrubbed. In other words, smart people who didn't live perfect lives could never run.

What I've learned in these 11 years is you just got to stay focused and believe in yourself and trust your own ability and judgment.

It is so much easier to be nice, to be respectful, to put yourself in your customers' shoes and try to understand how you might help them before they ask for help, than it is to try to mend a broken customer relationship.

I can't say it enough that learning how to learn is one of the greatest skills anyone can have. It's why I advocate that everyone go to college.