Neil deGrasse Tyson

Carl Sagan spoke fluently between biology and geology and astrophysics and physics. If you move fluently across those boundaries, you realize that science is everywhere; science is not something you can step around or sweep under the rug.

Those who see the cosmic perspective as a depressing outlook, they really need to reassess how they think about the world. Because when I look up in the universe, I know I'm small but I'm also big. I'm big because I'm connected to the universe, and the universe is connected to me.

The majority of small-holder farmers in Africa are women and, in urban areas, you're primarily looking at women-led households. So we can't solve hunger if we don't have gender-sensitive programming that addresses access to opportunities for women, whether it's through education or tools for cooking, like solar-powered stoves.