The Didache, or "teaching", is a treasured gem in the crown of Christian writings, being as close a link as there is to Jesus' original teachings. Written in the first or second century A.D. by early Jewish followers of Jesus, it mysteriously disappeared in the fifth century only to reappear again 1400 years later, in 1873. The Didache's remit was to disseminate early Christian ethics and rules of conduct to the gentiles, although it...