11/28/2017
https://www.congress.gov...
"I don't think we need any more headstones in that cemetery. What we really need is monuments to accomplishments."
"I think it's going to take the best of NASA, the government and industry to do a human to Mars mission."
"it would be such a shame if what we did was just waste that money and not have a sustainable program"
"I think there's a reasonable probability over the next two decades we'll spend $180 billion on human exploration."