I don't believe that there are aliens. I believe there are really different people.

Science fiction is about what could be but isn't; fantasy is about what couldn't be.

Sister Carlotta, I'm on a leave of absence right now. That means I've been sacked, in case you don't understand how the I.F. handles these things.” "Sacked! A miscarriage of justice. You ought to be shot.

As history shows us, when colonization is voluntary, people will self-select better than any testing system. It’s like those foolish attempts to control immigration to American based on the traits that were deemed desirable, when in fact the only trait that defines Americans historically is “descended from somebody willing to give up everything to live there.” Willingness is the single most important test.

A broken clock is right two times a day.

There was no doubt now in Ender's mind. There was no help for him. Whatever he faced, now and forever, no one would save him from it. Peter might be scum, but Peter had been right, always right; the power to cause pain is the only power that matters, the power to kill and destroy, because if you can't kill then you are always subject to those who can, and nothing and no one will ever save you.

How long before married people answer the dictators thus: Regardless of law, marriage has only one definition, and any government that attempts to change it is my mortal enemy. I will act to destroy that government and bring it down, so it can be replaced with a government that will respect and support marriage, and help me raise my children in a society where they will expect to marry in their turn.