Species evolve to meet the environment. An intelligent species changes the environment to suit itself. As soon as a species becomes intelligent, it should stop evolving.

Intelligence is just a tool to be used toward a goal, and goals are not always chosen intelligently.

There had been a popular joke on Freedom, started by a man named Calder. Looking down from space, he had said, the dominant life forms on Earth were obviously the cereals and other grasses. They occupied all the most desirable and fertile land; and they had tamed insects and animals to care for them. In particular, they had domesticated the bipeds to nurture and cultivate them and to save and plant their seed. Now, watching the farmers, Alex could easily imagine that they were worshiping and genuflecting before their masters.

I've got five or six unpublished stories kicking around looking for somebody to buy them.

In a collaboration, each author will do 75% of the work.

The best advice I was ever given was on my twenty-first birthday when my father said, Son, here's a million dollars. Don't lose it.

If one must explain a magic trick, one should do so after the show is over.