Carl Sagan
No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.
More quotes and aphorisms
Choose a wife rather by your ear than your eye...Elections aren't just about who votes...The way to get started is to quit talking and begin doing...Nature, philosophy and social issues are the three things...My noble respect also goes to the anti-Japanese...I believe that God made this wonderful universe...