“The mental focus it takes to compete against the best players in the world is not easy to maintain. Developing mental toughness is a learned trait, and if you can't develop it in your pursuit of success, you likely won't last in any competitive line of work for more than a cup of coffee.”

American football coach and former player

Jason Witten is an American football coach and former NFL tight end. Born in 1982, he played 17 seasons in the league, mostly with the Dallas Cowboys, and later became the offensive coordinator for the Oklahoma Sooners. He played college football for the Tennessee Volunteers and was chosen by Dallas in the third round of the 2003 NFL draft. Witten is known for his toughness and consistency, and he ranks near the top of several all-time receiving lists for tight ends, including second in receptions and third in receiving yards.