Dante Alighiere, PURGATORIO, Canto XV

Illustration by Salvador Dali
................................................
An angel invites them to ascend the next steep. On their way Dante suggests certain doubts, which are resolved by Virgil; and, when they reach the third cornice, where the sin of anger is purged, our Poet, in a kind of waking dream, beholds remarkable instances of patience; and soon after they are enveloped in a dense fog.