Sometimes the biggest problem is in your head. You've got to believe you can play a shot instead of wondering where your next bad shot is coming from.

Well, I think that Augusta is not the same golf course that I grew up on. Bobby Jones' philosophy was giving you space off the tee; if you put it in the right side of the fairway, you ended up getting the right angle to the green.

I learned early in my career, where you get so wrapped up and so excited, that all of a sudden you don't think. So I worked very hard to keep myself suppressed. And that's one of the reasons I wasn't gregarious with the gallery.

The biggest rival I had in my career was me. I couldn't control Arnold Palmer, Gary Player, Tom Watson or Lee Trevino. The only person I could control was me.

Yahoo was Jerry Yang's baby. He did a great job creating the baby. Unfortunately, some of the key executives after the foundation of the company couldn't keep up with the technology innovation of the industry. They thought that Yahoo should become a media company.

It is human nature, especially as we get older, to look for stability in our lives. But if you want to be a successful entrepreneur, you have to fight against that somewhat, as starting a business requires movement. You cannot stay still.

I'm trying to mix the cool, independent stuff with the big stuff, but it's been difficult finding the right roles. It's been an interesting ride as far as my career pendulum is concerned.

I'm regularly speaking at London Business School and Harvard Business School. They're the next generation of leaders in the fashion industry.