Our education system was developed for an industrial era where we could teach certain skills to our children and they were able to use these skills for the rest of their lives working productively in an industry.

Trust your gut instinct over spreadsheets. There are too many variables in the real world that you simply can't put into a spreadsheet. Spreadsheets spit out results from your inexact assumptions and give you a false sense of security. In most cases, your heart and gut are still your best guide.

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

As a young boy growing up in rural India, most of what I knew of the world was what I could see around me. But each night, I would look at the Moon - it was impossibly far away, yet it held a special attraction because it allowed me to dream beyond my village and country, and think about the rest of the world and space.

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

Philanthropy without scale and sustainability is like any other bad business that will simply wither and die on the vine.

My own philanthropic efforts have always included an educational element, whether it's expanding opportunities to educate a promising mind or extending the brain's ability to learn.