"What better evidence could you ask for in support of my argument?" demanded Winthrop. "We've proved bases are practical, and that colonies are not."
"No matter how far away or how long the periods of rotation, a man assigned to a base expects to return home. Night or day, in the performance of any duty, there is in his mind as a working background the recognition that at some future time he can go home. His base is never his home."
"Precisely. That is what makes the base successful."
Ashby shook his head. "No base is ever successful from the standpoint of permanent extension of a civilization. By its very nature it is transitory, impermanent. That is not what we want now."
"We have the concept of permanent bases in military thinking," said Winthrop. "You can't generalize in that fashion."
"Name for me a single military or expeditionary base that continued its permanency over any extended period of history."