You can think best when you're happiest.

I think they're invincible, frankly.

It is sobering. You think when you come here everyone is the best of the best and they are going to do what they can to help the person next to them. Then you realize that everyone is human and they all make mistakes ...

But I must say I am happiest when something hits and I've written it with Barry. After all these years, I am still amazed by his genius.

I feel good being here. I think it's good for me, too, when I come back to Philadelphia ... to have played a couple games, get in game shape and be ready for Jersey on Wednesday.

This is an amazing place, historically. It's sort of the seat of reformation, at least in Britain, and it's the great seat of learning since 1412. It's very unique, this place. And the golfers who play professional golf never know.