It’s the people who don’t worry—those who never have any doubts that what they’re doing is good and right—they’re the ones that cause the problems.

Nightside, cities glistened in chains, and a spray of tinkertoy habitats girdled the planet. Gossamer starbridges reached from the equator towards orbit.

At one time, the treatment for a certain kind of psychosis had been to push an ice pick up through the orbit of the eye, into the frontal lobe; the ice pick was then stirred around until it reduced the problematic brain tissue to non-functioning porridge.

Without risk in our lives, we're scarcely better than machines ourselves.

As the old saying went, the Manhattan Project wasn't built in a day. Or was that Rome? Something to do with Earth, anyway.

Enjoy it, kid. Enjoy feeling that you can make a difference.' Floyd flashed him a smile. 'It won't last for ever.

You worry that we're becoming monsters. Merlin, we already were monsters. You didn't make us any worse.