The need to speak the truth and even to seek it for oneself is only conceivable in so far as the individual thinks and acts as one of a society, and not of any society (for it is just the constraining relations between superior and inferior that often drive the latter to prevarication) but of a society founded on reciprocity and mutual respect, and therefore on cooperation.

Ch. 2 : Adult Constraint and Moral Realism - The Moral Judgment of the Child (1932)