In the long run, your human capital is your main base of competition. Your leading indicator of where you're going to be 20 years from now is how well you're doing in your education system.

There has to be a global mission of human progress.

If African farmers can use improved seeds and better practices to grow more crops and get them to market, then millions of families can earn themselves a better living and a better life.

If you go back to 1800, everybody was poor. I mean everybody. The Industrial Revolution kicked in, and a lot of countries benefited, but by no means everyone.

How little can we foresee the consequences either of wise or unwise action, of virtue or of malice. Without this measureless and perpetual uncertainty, the drama of human life would be destroyed.

Social justice and progress are the absolute guarantors of riot prevention.