"When I was coming up as an entrepreneur, I had to fight for everything I got, and there was no clear roadmap of how to be successful."

"What I've learned in my career is that it takes the same amount of effort to build a $10bn company as it does a $1bn company; you as the entrepreneur are going to put your entire life, your entire effort into it."

"The web and physical world is plagued with abundance - people need help sorting through all the good and bad stuff out there. The tyranny of choice is causing major psychic pain and frustration for people."

"You have to have a big vision and take very small steps to get there. You have to be humble as you execute but visionary and gigantic in terms of your aspiration. In the Internet industry, it's not about grand innovation, it's about a lot of little innovations: every day, every week, every month, making something a little bit better."

"The secrets of success are a good wife and a steady job. My wife told me."

"I myself would like to become more disciplined within my work."

"I've been offered jobs by companies that supported apartheid many times in the 25 years of my modeling career, but I have never taken one of them. I have to refuse that money, because I'm not going to work against my people. They've suffered enough."

"Always get married in the morning. That way if it doesn't work out, you haven't wasted the whole day."