When have you ever seen someone who had no doubts who was also correct about anything?

Nobody ever completely means what they say. Even when they think they're telling the truth, there's always something hidden behind their words.

It is a common trait of primates to become submissive and even worshipful toward one who has the power to kill them.

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.

I need you to be clever, Bean. I need you to think of solutions to problems we haven't seen yet. I want you to try things that no one has ever tried because they're absolutely stupid.

I've lived too long with pain. I won't know who I am without it