After Apollo 17, America stopped looking towards the next horizon. The United States had become a space-faring nation, but threw it away. We have sacrificed space exploration for space exploitation, which is interesting but scarcely visionary.

Today, we are on a path of decay. We are seeing the book close on five decades of accomplishment as the leader in human space exploration.

When you head on out to the Moon, in very short order, and you get a chance to look back at the Earth, that horizon slowly curves around in upon himself, and all of sudden you're looking at something that is very strange, but yet is very, very familiar, because you're beginning to see the Earth evolve.

I do believe there is life in outer space. Mathematically, there has to be, and if you believe as I do that there is a creator of the universe, then how can we be so arrogant to believe he created life here and nowhere else?

Most of the largest software companies in the world today are based on Oracle, and they were once startups.

I'm not against technology, but all tools should be used to their best advantage. We should be spending our time on things that have staying power, instead of on the latest thought of the latest blogger - and then moving on quickly to the next blogger.

Every global leader that I have seen has at least agreed on one point: I do have the world's most difficult job. But I hope to make it easier for my successor.

That is what happened in 2010. The administration and the leadership of the Republicans thought, 'Well, we're making a deal together; we're showing the world things can be done in a bi-partisan way. We're extending all our tax cuts for two years.'