This paper explores Nicholas of Cusa’s framing of the De pace fidei as a dialogue taking place incaelo rationis. On the one hand, this framing allows Nicholas of Cusa to argue that all religious rites presuppose the truth of a single, unified faith and so temporally manifest divine logos in a way accommodated to the historically unique conventions of different political communities. On the other hand, at the end of the De pace fidei, the interlocutors in the heavenly dialogue are enjoined to return to earth and lead their countrymen in a gradual conversion to the acceptance of rites which would explicitly acknowledge the metaphysically presupposed transcendent unity of all true faiths. In light of these two aspects of the literary framing o...