If someone is always to blame, if every time something goes wrong someone has to be punished, people quickly stop taking risks. Without risks, there can't be breakthroughs.

As lower-cost phones begin to penetrate, they'll become the educator and physician everywhere on the planet.

Small teams driven by their passion with a clear focus can do extraordinary things. Things that only large corporations and governments could do in the past.

The folks who go after grand challenges are impatient. They're pissed off. They're sick and tired, but in a passionate way. They're driven by a fire in their bellies to make a difference.

The quality of your life is a function of who you go through life with.

I believed that once we got to the Moon, there was no stopping us. But in fact, we did stop.

Every generation feels it has the problems that will destroy it. That's because we can perceive them a long time before we have the ability to fix them.