Intelligent life can't be all that common because it's really rare on Earth and especially since we define ourselves to be intelligent. But in the eyes of an alien coming here who has the technology to make it here, they might observe us and conclude that there's no sign of intelligent life on Earth.
Neil deGrasse TysonI'm not writing for myself. I'm writing as an educator, I'm writing to stimulate others.
Neil deGrasse TysonIf you love what you do, you'll be your best at it compared to anything else you might have chosen as a career. Or at least you will love it more, and you won't lead a depressed day of your life.
Neil deGrasse TysonWhen you visit countries that don't nurture these kinds of ambitions, you can feel th absence of hope...people are reduced to worrying only about that day's shelter or the next day's meal. It's a shame, even a tragedy, how many people do not get to think about the future. Technology coupled with wise leadership not only solves these problems but enables dreams of tomorow.
Neil deGrasse Tyson