Great entrepreneurs focus intensely on an opportunity where others see nothing.

Education should not be about building more schools and maintaining a system that dates back to the industrial revolution. We can achieve so much more, at unmatched scale with software and interactive learning.

Each one of us has the power to be the change we want to see in the world, making the world a better place.

'Being green' is commendable, but I hope that people don't take too much pride and self-adoration because they shut off the water when they brushed their teeth. The truth of the matter is, conservation alone will do little to save our planet.

We begin to change the world when we stimulate long-term prosperity using technology. There is not a problem that's large enough that innovation and entrepreneurship can't solve.

It's really easy to create a $1 billion company - you just have to solve a $10 billion problem.

As a child I experienced firsthand the severe effects of poverty and illiteracy, especially upon women and children. My parents taught me the importance of education and that it was a key to improving an individual's life.