"The New Testament was not produced as a single work issued by an authoritative Church for the instruction of its members. The four Gospels were composed in different times and places over perhaps a third of a century, and for a time circulated separately among a number of other narratives of our Lord's life (of which the newly discovered fragment of an unknown gospel may have been one)."

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It has been a long road from Plato's Meno to the present, but it is perhaps encouraging that most of the progress along that road has been made since the turn of the twentieth century, and a large fraction of it since the midpoint of the century. Thought was still wholly intangible and ineffable until modern formal logic interpreted it as the manipulation of formal tokens. And it seemed still to inhabit mainly the heaven of Platonic ideals, or the equally obscure spaces of the human mind, until computers taught us how symbols could be processed by machines.

— Allen Newell