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.

I have a lot of stands on a lot of political issues. I'm very big on campaign finance reform. I still think most Americans aren't aware of how the dumping of big corporate dollars and private donor dollars has totally corrupted the political system and taken it away from them.

If a man made himself an expert in any particular branch of human activity, there would result the strong tendency that a peculiar aptitude towards the same branch would be found among some of his descendants.