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
You forget that the fruits belong to all...He that struggles with us strengthens our nerves...Communication leads to community...I would like to die on Mars. Just not on impact...I was lucky to marry Paul. He was a great inspiration...The reason why men enter into society...