A startup is the largest endeavor over which you can have definite mastery. You can have agency not just over your own life, but over a small and important part of the world. It begins by rejecting the unjust tyranny of Chance. You are not a lottery ticket.

Why don't you think we should dream of an African team winning the World Cup for the first time? People never allow this thought to cross their minds, and it is shameful. When you try to even say it, people look at you as if you're joking, but they forget that dreaming is the first step to success.

Luck has nothing to do with it, because I have spent many, many hours, countless hours, on the court working for my one moment in time, not knowing when it would come.

I'm not the best player in the history of tennis. I think I'm amongst the best. That's true. That's enough for me.

All work undertaken should be useful - not just for a day, or a year, but useful in the sense that it affords permanent improvement in living conditions or that it creates future new wealth for the Nation.

As I've conducted my interviews with crowdsourcing entrepreneurs and experts, it's constantly hit me that your ability to do something big and bold is really a function of the size and quality of your crowd.