With this magic ingredient, you can accomplish anything and everything you want to, and it is called self-discipline.

Brian Tracy

One man practicing sportsmanship is far better than 50 preaching it.

Knute Rockne

The point is whether or not I improved over yesterday. In long-distance running the only opponent you have to beat is yourself, the way you used to be.

Haruki Murakami

Lack of discipline leads to frustration and self-loathing.

Marie Chapian

Push yourself again and again. Don't give an inch until the final buzzer sounds.

Larry Bird

Do not let the temporal pain of discipline you need to acquire knowledge stop you from acquiring it.

Sunday Adelaja