John Koenig: "Now we're sitting on the biggest bomb man's ever made."
John Koenig: "A giant leap for mankind. It's beginning to look like a stumble in the dark."
John Koenig: "We've had a lot of success so far. We know what dangers to expect out there from black suns, neutron storms, radiation and the like, but if we think we know everything that goes on out there, we're making a terrible mistake!"
John Koenig: "We're all aliens, until we get to know one another."
John Koenig: "If we understand others, in time, I believe, we come to understand ourselves."
Maya: "You mean, people killed people, just because they were different from each other? That's disgusting."
Helena Russell: "With a history like that, who wants to go back to Earth anyway?"
Balor: "How can you value life if you do not fear death?"
Lee Russell: "Nobody dies. Matter never dies, Helena. It changes its form."
John Koenig: "It's better to live as your own man than as a fool in someone else's dream."