We can send people to the Moon; we can see if there's life on Mars - why can't we get $5 [mosquito] nets to 500 million people?

In today's world, the elites are growing even more comfortable with one another across national lines, yet at the same time, less comfortable with low-income people who share their nationality. How we create those bonds of community that are truly global as well as national is one of our generation's great challenges.

The only way we really create change is to enter any situation with the humility to listen and to recognize the world as it is, and then the audacity to dream what it could be.

If indeed we can create systems that allow individuals to access goods and services like health and housing and energy and water, in a way that they can afford, they'll all have greater choice, greater opportunity, greater dignity.

All people deserve access to health at prices they can afford.

The time for us to begin innovating and looking for new solutions is now.

When systems are broken, it's an opportunity for invention and innovation.