If interstellar travel is as time- or energy- demanding as the above figures indicate, it is far from obvious what the motive for colonization might be.
-- Barney Oliver
   
Barney Oliver   Name:
Barney Oliver
Type:
Scientist
Nationality:
none
Birth:
March 31, 1909
Death:
November 23, 1995
https://www.nutquote.com/quote/Barney_Oliver