What are the lessons to be learned from this journey of the mind through the universe? That humans are emotionally fragile, perennially gullible, hopelessly ignorant masters of an insignificantly small speck in the cosmos. Have a nice day.

Where ignorance lurks, so too do the frontiers of discovery and imagination

Science is not a subject you took in school. It's life. We are wrapped by it, in it, with it.

There's an old saying in the space community: 'If God wanted us to be a spacefaring species, he would have given us a moon'.

Newton, Einstein, and every other great scientist in history...They all made mistakes. Of course they did. They're human! Science is a way to keep from fooling ourselves and each other.

We need to look at NASA, not as a handout, but as an investment.

The most creative people are motivated by the grandest of problems that are presented before them.