There are as many ways to help another human being as there are people in need of help. For some, the urgent need is as basic as food and water. For others, it is an opportunity to develop a talent, realize an idea, and reach one's full potential.

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.

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

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.

Apple Computer would not have reached its current peak of success if it had feared to roll the dice and launch products that didn't always hit the mark. In the mid-1990s, the company was considered washed up. Steve Jobs had departed, and a string of lackluster product launches unrelated to the company's core business had failed to catch fire.

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

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.