The story of our species is one of overcoming existential risk through new forms of cooperation and innovation.

You cannot study other planets without referring to Earth and without applying the techniques and the insights of Earth science. And you cannot really do a good job understanding the Earth without the insights from planetary exploration.

We need to have a vision of the world we want to create so that we can see ourselves as collaborators with future generations in the project of shaping it.

David Grinspoon Quotes