- Oscar Goldman: Unless we restore the ozone layer, solar radiation will continue to increase to the danger level.
- Chris Williams: Gentlemen, if you will excuse me, I have a date with a very attractive young lady.
- Oscar Goldman: Is she a willowy blond about this tall, teaches school, a lady who I lost my heart to years ago?
- Chris Williams: That's the one. She's picking me up for a diner party. I'll see you later.
- Oscar Goldman: Have a good time.
- Jaime Sommers: [Chris has deduced Jaime is bionic] Is it eh... is it a turn-off to you?
- Chris Williams: Well not as long as you don't go around beating up my friends.
- [Jaime manages a smile but looks crestfallen]
- Chris Williams: Hey, it's a bad joke.
- [they kiss]
- Jaime Sommers: That rocket is no threat to anyone. They're just sealing the ozone layer.
- Ky: But the sodium-chemical chain you were using will conflict with the electro magnetic propulsion system of our ship. When it strikes the chemical concentration, the ship will explode. Our people will think you destroyed did it, and retaliate. They remember you as primitives. You have no defence against their weapons.
- Jaime Sommers: Well that makes them sound a little primitive, too.
- Ky: When we taught people to build pyramids such as the one we are in. They didn't understand that the form captured and stored biocosmic energy. They thought of the pyramid only as tombs for the dead. All that we did was for the purpose of teaching. And all that we did, misunderstood and used for purposes never intended.