or us to speak of the documents which, presenting
themselves as biographies of the Founder of Christianity, must
naturally hold the first place in a _Life of Jesus_. A complete
treatise upon the compilation of the Gospels would be a work of
itself. Thanks to the excellent researches of which this question has
been the object during thirty years, a problem which was formerly
judged insurmountable has obtained a solution which, though it leaves
room for many uncertainties, fully suffices for the necessities of
history. We shall have occasion to return to this in our Second Book,
the composition of the Gospels having been one of the most important
facts for the future of Christianity in the second half of the first
century. We will touch here only a single aspect of the subject, that
which is indispensable to the completeness of our narrative. Leaving
aside all which belongs to the portraiture of the apostolic times, we
will inquire only in what degree the data furnished by the Gospels may
be employed in a history formed according to rational principles.[1]

[Footnote 1: Persons who wish to read more ample explanations, may
consult, in addition to the work of M. Reville, previously cited, the
writings of Reuss and Scherer in the _Revue de Theologie_, vol. x.,
xi., xv.; new series, ii., iii., iv.; and that of Nicolas in the
_Revue Germanique_, Sept. and Dec., 1862; April and June, 1863.]

That the Gospels are in part legendary, is evident, since they are
full of miracles and of the supernatural; but legends have not all the
same value. No one doubts the principal features of the life of
Francis d'Assisi, although we meet the supernatural at every step. No
one, on the other hand, accords credit to the _Life of Apollonius of
Tyana_, because it was written long after the time of the hero, and
purely as a romance. At what time, by what hands, under what
circumstances, have the Gospels been compiled? This is the primary
question upon which depends the opinion to be formed of their
credibility.

Each of the four Gospels bears at its head the name of a personage,
known either in the apostolic history, or in the Gospel history
itself. These four personages are not strictly given us as the
authors. The formulae "according to Matthew," "according to Mark,"
"according to Luke," "according to John," do not imply that, in the
most ancient opinion, these recitals were written from beginning to
end by Matthew, Mark, Luke, and John,[1]