“we have some good ideas here. But the only way to know if they’re workable is to try to make them fail. If we fail to fail, then maybe we’re on the right track.”

“Nobodys life ever goes according to plan. So why do we keep on planning?Because that's how we know who we are. By what we intend to be. By what we try to become. And fail.I don't say 'fail'. I saw we aim and miss. But we still hit something.”

“If our systems should fail, we would faithfully report the fact. We have no ego-protection that would cause us to deceive you or ourselves. Whereasyou are engaged in ego-protection right now. You thought you would be necessary during the voyage, and you now discover that you were not. This makes you feel bad.”

“They must talk to each other directly, Ender, mind to mind. What one thinks, another can also think; what one remembers, another can also re-member. Why would they ever develop language? Why would they ever learn to read and write? How would they know what reading and writing were if they saw them? Or signals? Or numbers? Or anything that we use to communicate? This isn’t just a matter of translating from one language to another. They don’t have a language at all. We used every means we could think of to communicate with them, but they don’t even have the machinery to know we’re signaling. And maybe they’ve been trying to think to us, and they can’t understand why we don’t respond.”

“Human beings are free except when humanity needs them. Maybe humanity needs you. To do something. Maybe humanity needs me—to find out what you're good for. We might both do despicable things, Ender, but if humankind survives, then we were good tools.”

“As a species, we have evolved to survive. And the way we do it is by straining and straining and, at last, every few generaitons, giving brith to genius. The one who invents the wheel. And light. And flight. The one who builds a city, a nation, an empire...I'll put it bluntly. Human beings are free excpet when humanity needs them. Maybe humanity needs you. To do something. Maybe humanity needs me - to find out what you're good for.”

“So our reliance on the computers caused the failure of the mission?" asked the expendable."The mission didn't fail," said Ram. "It succeeded nineteen times. We're just the exhaust trail.”