Every day you spend becoming an expert in a field, you become more useless in that field.

Growing up in India, I knew all I needed to change the world was one good opportunity, and I prepared myself for it. When that opportunity came - in the form of the chance to earn an engineering degree - I was ready.

Stay focused on the mission.

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

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.

It's a simple fact: no individual can be good at everything. Everyone needs people around them who have complimentary sets of skills.

Just as physical exercise is a well-known and well-accepted means to improve health for anyone, regardless of age or background, so can the brain be put 'into shape' for optimal learning.