I think that CERES operates on what's best for CERES, not necessarily anyone else. If answering our questions isn't what's best for them, they'll refuse no matter how hard we push.

[it's cold reasoning, but based on the little he knows about them as well as what Mosley's said...]

So, if we want information through an honest route, we have to figure out how to convince them that giving it up is what's best for them.