Might we not strive, nevertheless, for scientific minds that are as unbiased, as unprejudiced, as unprovincial as possible? Certainly, a science of fierce, critical, selfless minds would be an extraordinary thing to behold—like the government of the just or the communion of the holy. But we’ll see it only in our dreams. The knowledge machine is made of human beings, not an angelic host. We need a science that tolerates—or even better, harnesses—human frailty.