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.

Success is not about how much money we have in the bank, but it's about how many peoples' lives we have impacted through it. Success is experienced when we do things which are never done before.

How important is failure - yes, failure - to the health of a thriving, innovative business? So important that Ratan Tata, chairman of India's largest corporation, gives an annual award to the employee who comes up with the best idea that failed.

The day you become humble is the day you become successful.

Success is not how much money you have in a bank. Success is how many lives you have touched.

I understand human needs. I grew up where far too many people lived day to day without elemental needs like food and shelter.

My father was a civil servant in northern India where I was born. As a boy I saw the dire effects of poverty and illiteracy, especially on women and children. It often seemed that the only thing separating me from them was luck.