The most impactful dollars that Australia can spend are actually what goes to help the poorest.

If we can find approaches that meet the needs of the poor in ways that generate profits for business and votes for politicians, we will have found a sustainable way to reduce inequity in the world. This task is open-ended. It can never be finished. But a conscious effort to answer this challenge will change the world.

I set a rule that people weren't allowed to send good news unless they sent around an equal amount of bad news. We had to get a balanced picture. In fact, I kind of favored just hearing about the accounts we were losing because ... bad news is generally more actionable than good news.

Unemployment rates among Americans who never went to college are about double that of those who have a postsecondary education.

In low-income countries, getting to a health post is hard. It's very expensive.

Exposure from a young age to the realities of the world is a super-big thing.

I have seen firsthand that agricultural science has enormous potential to increase the yields of small farmers and lift them out of hunger and poverty.