“I'm a competitive person. Business is a much more competitive sport th...” — Mark Cuban Quote

“I'm a competitive person. Business is a much more competitive sport than any real sport. It's 24x7x365. I'm a business adrenaline junky.”

“Talent without effort is wasted talent. And while effort is the one thing you can control in your life, applying that effort intelligently is next on the list.”

“My guiding principle and motivation was that I wanted to retire by the time I turned 35. There actually are two books that I bought and still have - Paul Terhost's 'Cashing In On the American Dream: How to Retire at 35' and Andrew Tobias's 'The Only Investment Guide You'll Ever Need' - that were my personal financial road map.”

“It's always hard for me to go to sleep after a show, just because you still have adrenaline going.”

“Fighting in the cage brings much more adrenaline than fighting in the ring. When you step inside the Octagon and they close the door, that's really a high adrenaline feeling because they enclose you and one guy in the cage.”

“It took me a lot to learn to control adrenaline; and other sports you use adrenaline to your advantage.”