Irenaeus and Tertullian in the very early Christian church talk about a “regula fidei,” a “rule of faith,” which was a statement of common belief the community could use to explain to new folk what ...

When it comes to interfaith dialogue, Muhammed Abu Layla’s memory can seem disconcertingly long. “Even during the crusades, we had good relations with you,” Mr. Abu Layla says, with an expansive ...