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 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.

I have lived in the only decades I could have lived in, and hope to live through at least a few more.

Truth, when we are fortunate enough to find it, is like bad-tasting medicine. It rarely comes as a pleasant surprise, because if it surprises us, it means we've been denying it for some time and have a lot of beliefs based on falsehood. It's hard to give up those beliefs.

Sometimes good people have to do terrible things.

Every person is defined by the communities she belongs to.

Because never in my entire childhood did I feel like a child. I felt like a person all along―the same person that I am today.