Mystery creates wonder and wonder is the basis of man's desire to understand.

Opportunities will be available to you that you cannot imagine.

The important achievement of Apollo was demonstrating that humanity is not forever chained to this planet, and our visions go rather further than that, and our opportunities are unlimited.

In much of society, research means to investigate something you do not know or understand.

I am comfortable with my level of public discourse.

I'm substantially concerned about the policy directions of the space agency. We have a situation in the U.S. where the White House and Congress are at odds over what the future direction should be. They're sort of playing a game and NASA is the shuttlecock that they're hitting back and forth.

He did it alone. We had a cast of a million.