You understand that the piggies are animals, and you no more condemn them for murdering Libo and Pipo than you condemn a cabra for shewing up capim." That's right," said Miro. Ender smiled. "And that's why you'll never learn anything from them. Because you think of them as animals.

I don't freeze up because it isn't my battle. I'm helping. I'm watching. But I'm free. Because it's Ender's game.

In a way she actually preferred Peter to other people because of this. He always acted out of intelligent self-interest.

The tribe is whatever we believe it is. If we say the tribe is all the Little Ones in the forest, and all the trees, then that is what the tribe is. Even though some of the oldest trees here came from warriors of two different tribes, fallen in battle. We become one tribe because we say we're one tribe." Ender marveled at his mind, this small raman [member of another sentient species]. How few humans were able to grasp this idea, or let it extend beyond the narrow confines of their tribe, their family, their nation.

Working is hard and distracts from having fun.

the seed of doubt was there, and it stayed, and every now and then sent out a little root. It changed everything, to have that seed growing. It made Ender listen more carefully to what people meant, instead of what they said. It made him wise.

The difference between raman and varelse is not in the creature judged, but in the creature judging. When we declare an alien species to be raman, it does not mean that they have passed a threshold of moral maturity. It means that we have.