Only when you combine sound intellect with emotional discipline do you get rational behavior.

An artist's studio should be a small space because small rooms discipline the mind and large ones distract it.

Leadership is not only having a vision, but also having the courage, the discipline, and the resources to get you there.

The whole point is to discipline the mind.

Life is tons of discipline.

The army influences everything I do. Certainly it teaches you discipline, which is a necessary element of development. I think there's more of a collaborative understanding in the band because of that.