Dr. Snaut: Science? Nonsense! In this situation mediocrity and genius are equally useless! I must tell you that we really have no desire to conquer any cosmos. We want to extend the Earth up to its borders. We don't know what to do with other worlds....
Kris Kelvin: You mean more to me than any scientific truth.
Kris Kelvin: You love that which you can lose, yourself, a woman, a country.
Dr. Sartorius: Man was created by Nature in order to explore it. As he approaches Truth he is fated to Knowledge. All the rest is bullshit.
Dr. Snaut: We don't want to conquer space at all. We want to expand Earth endlessly. We don't want other worlds; we want a mirror. We seek contact and will never achieve it. We are in the foolish position of a man striving for a goal he fears and doe...
Kris Kelvin: Whenever we show pity, we empty our souls.
Hari: Did you ever think of me? Kris Kelvin: Only when I was sad.
Hari: I have a feeling someone's deceiving us.
Kris Kelvin: Guibariane did not die of fear, he died out of shame. The salvation of humanity is in its shame!
Kris Kelvin: Well, anyway, my mission is finished. And what next? To return to Earth? Little by little everything will return to normal. I'll find new interests, new acquaintances, but I won't be able to devote all of myself to them.
Kris Kelvin: There are so few of us!