Our planet has been around only for four and a half billion years. Let's imagine a planet that has life on it such as life is on Earth and it's seven billion years old. Let's say that planet evolved intelligence. Well, that intelligence would be way more advanced than what we call intelligence here on Earth. How long has intelligence been around on Earth as we've come to define it?
Neil deGrasse TysonAs a citizen, as a public scientist, I can tell you that Einstein essentially overturned a so strongly established paradigm of science, whereas Darwin didn't really overturn a science paradigm.
Neil deGrasse TysonWhere did the concept of "without borders" come from? No one had that concept until you saw Earth from space, illustrated not by a mapmaker who's color-coding political boundaries; it's illustrated by nature itself and there's land, there's ocean, there's atmosphere.
Neil deGrasse TysonAfter all, what nobler thought can one cherish than that the universe lives within us all?
Neil deGrasse TysonWhen we went to the moon and realized that the Soviet Union had no realistic plans of getting to the moon, then we stopped going to the moon.
Neil deGrasse Tyson