" You have minds,” Bastian murmurs one evening in the refectory, each boy hunching almost imperceptibly farther over his food as the commandant’s finger grazes the back of his uniform. “But minds are not to be trusted. Minds are always drifting toward ambiguity, toward questions, when what you really need is certainty. Purpose. Clarity. Do not trust your minds. "

― Anthony Doerr , All the Light We Cannot See