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.

'Great Expectations' has been described as 'Dickens's harshest indictment of society.' Which it is. After all, it's about money. About not having enough money; about the fever of the getting of money; about having too much money; about the taint of money.