We don't have to be smarter than the rest. We have to be more disciplined than the rest.

A man's real education begins after he has left school. True education is gained through the discipline of life.

Discipline is the soul of an army. It makes small numbers formidable; procures success to the weak, and esteem to all.

When a man wants to murder a tiger he calls it sport; when a tiger wants to murder him he calls it ferocity.

The more we live by our intellect, the less we understand the meaning of life.

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