When you prohibit failure, you kill innovation. If you kill innovation in fundraising, you can't raise more revenue. If you can't raise more revenue, you can't grow. And if you can't grow, you can't possibly solve large social problems.
When the average American consumes 43 times as much as the average African, we've got to think that consumption is an issue. It's not just about population.
We sometimes think of being good at mathematics as an innate ability. You either have "it" or you don't. But to Schoenfeld, it's not so much ability as attitude. You master mathematics if you are willing to try.