The discipline that is needed in our lives is the discipline that comes from within. — Anonymous Copy Share Image
I learned in my Ph.D. the discipline I needed to be successful. Most boxers are not that disciplined. They have talent, but… — Wladimir Klitschko Copy Share Image
I wanted to be an opera singer, but the discipline needed to maintain a healthy voice and that was not for me. — Bridget Everett Copy Share Image
