Nothing in excess, including self-denial. - Poul Anderson

I wrote the first book, Harvest of Stars, and as I was writing it, I saw that certain implications had barely been touched on... It's perfectly obvious that two completely revolutionary things are going on, with cybernetics, and biological science.

I have yet to see any problem, however complicated, which, when you looked at it in the right way, did not become still more complicated.

We do need something to lift us out of ourselves. It's wrong to carry our pettinesses along to the stars."
"We will, though," he said. "We can't help it. How do you escape being what you are?