Once humans traded their hunter-gatherer existences for more settled communities, we began a quest to make our lives better and more comfortable, but we've also been sucking precious finite resources from our environment ever since.

Today, people idolize athletes and celebrities - and yes, highly successful and visionary business people like Bill Gates or Steve Jobs, but not the innovators who perhaps have not seen such high-flying levels of success. Can anyone name the inventors of GPS, which has such a huge impact on our lives today?

If there is one thing I have learned on this incredible journey we call life, it is this: the sign of a truly successful individual is humility.

Think so big, so audacious that people will think you are crazy.

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

My children have been learning lessons about entrepreneurship since they were in kindergarten, and these lessons are paying off: even though they are only 22, 18, and 15, they have already collectively launched three nonprofit organizations and several new businesses.

I grew up poor in India, and there were days when we struggled to find food and other basic necessities. Our mother worked odds and ends jobs to keep the family together and educate us.