Keeping an open mind

BnF, Nouvelle acquisition française 16251, fol. 84v (Saint Denis and Saint Piatus)

Every culture is circumcribed and constrained by its own rules, which preserve the culture's integrity, underwrite its survival, but also prevent its own self-surpassing.

If an unexamined life is not worth living, then an unchallenged culture is not worth cultivating. Decad…