Which of the following quotes best summarizes the central idea in "The Unseen Values"? "Investors, even governments, are human, and before they invest in something they normally want to know: What good is it?“
"The greatest, finest benefits to come from our ventures into space are yet unseen."
"The implications of this knowledge for satellites near Earth or for reentering spacecraft are obvious."
"We cannot always account for what we have purchased with each research dollar."