I think the biggest mistake - I was always a big fan of Cary Grant, and he asked me to do a movie with him, playing the second lead, and I didn't do it. And to this day, I can't remember why. But I could've said I worked with Cary Grant, but I turned him down. That was probably the biggest mistake I ever made.

No, no, it was the relationships. That was that group. People believed that Rob and Laura were really married in real life. You know, a lot of people believed that.

I wrote a little autobiography about how luck has to do with everything. It's called "My Lucky Life In and Out of Show Business." A publisher came to me and said write a book so I did. I wanted to call it "Everybody Else Has Got a Book."

I think, the 'Van Dyke Show' and 'Mary Poppins' are two of the best periods of my life. I had so much fun, I didn't want it to end.

I've always been a bit of an orphan, because actors say, 'Well, he's more of a dancer.' And dancers say, 'No. He's really a singer.' And singers say, 'No. He's an actor.'

The secret to keeping moving is keeping moving.

I taught Sunday school when I was younger, and ended up an elder in the church, and it just seemed to me that a lot of people who went to church certainly weren't - the rest of the week - living what I would call an Christian life.