"I think there's a reasonable probability over the next two decades we'll spend $180 billion on human exploration."
"I think we could all debate what that is but I'm going to throw out something like going to Mars is two decades."
"A plan encompasses leadership, and leadership is about making choices."
"there are no goals that involve human exploration that are significant that are not going to bridge Administrations today"
"it would be such a shame if what we did was just waste that money and not have a sustainable program"
"I don't think we need any more headstones in that cemetery. What we really need is monuments to accomplishments."
"Mr. Young, two years ago you went as far as to say that the ARM proposal 'dumbed down NASA.'"
"I think in that instance, it was a good thing to do, and it was a good decision."
"I think it's going to take the best of NASA, the government and industry to do a human to Mars mission."
"I really feel like the United States--it has been discussed here--is falling behind with respect to infrastructure financing, development, and so forth."
"We need to raise the cap on private activity bonds for highways, and we are working on legislation to make that happen."
"I often hear from some of my colleagues that PABs, or public activity bonds, are suboptimal, because they allow the creation of infrastructure that doesn't serve a public purpose."