Without leadership ability,a person's impact is only a fraction of what it could be with good leadership.

People say, "John, what's your personal growth?" And ask "How do you grow?" And I tell them. I thought, "Why do I keep telling them, why don't I just write a book on what I call personal growth?" And that's what this [Today Matters] book is.

Sometimes I hear people talk about discipline of self and I think, if you don't have passion, I might discipline myself for a week or two but only passion will hold me steady.

Seek advice, but make sure it's from someone who has successfully handled mistakes or adversities.

Failure is an inside job. So is success. If you want to achieve, you have to win the war in your thinking first. You can't let the failure outside you get inside you.

I thought that because I wasn't a sickly person - I never have been - I thought I was healthy. So I assumed health. I didn't have it.

Leadership, like responsibility, is a voluntary act.