There is but one Earth, tiny and fragile, and one must get 100,000 miles away to appreciate fully one's good fortune in living on it.
Carrying the Fire: An Astronaut's Journey (ed. 2001)
There is but one Earth, tiny and fragile, and one must get 100,000 miles away to appreciate fully one's good fortune in living on it.
Carrying the Fire: An Astronaut's Journey (ed. 2001)