Success is having to worry about every damn thing in the world, except money.

If you're going to be a Christian, you're going to change. You're going to lose some old friends, not because you want to, but because you need to.

I wear black because I'm comfortable in it. But then in the summertime when it's hot I'm comfortable in light blue.

I started to write the song. And I was in Gladewater, Texas, one night with Carl Perkins and I said, I've got a good idea for a song. And I sang him the first verse that I had written, and I said it's called "Because You're Mine." And he said, "I Walk The Line" is a better title, so I changed it to "I Walk The Line."

I kept talking to my producers at Columbia about recording one of those [prison] shows. So we went into Folsom on February 11, 1968, and recorded a show live.

I could wrap myself in the warm cocoon of a song and go anywhere.

Loneliness is emptiness, but happiness is you.