"Discipline is the bridge between goals and accomplishments."
- Jim Rohn
"Discipline yourself to do the things you need to do when you need to do them, and the day will come when you will be able to do the things you want to do when you want to do them!"
- Zig Ziglar
“Discipline itself brings pain, but the pain is temporary while the growth is permanent.”
- John Leddo
"In reading the lives of great men, I found that the first victory they won was over themselves... self-discipline with all of them came first."
- Harry S. Truman
"Discipline is remembering what you want."
- David Campbell