things were facts, and not doubted:

She had written a Bible in middle age, and had published it; she had
recast it, enlarged it, and published it again; she had not stopped
there, but had enlarged it further, polished its phrasing, improved its
form, and published it yet again. It was at last become a compact,
grammatical, dignified, and workman-like body of literature. This was
good training, persistent training; and in all arts it is training that
brings the art to perfection. We are now confronted with one of the most
teasing and baffling riddles of Mrs. Eddy's history--a riddle which may
be formulated thus:

How is it that a primitive literary gun which began as a hundred-yard
flint-lock smooth-bore muzzle-loader, and in the course of forty years
has acquired one notable improvement after another--percussion cap; fixed
cartridge; rifled barrel; efficiency at half a mile how is it that such a
gun, sufficiently good on an elephant hunt (Christian Science) from the
beginning, and growing better and better all the time during forty years,
has always collapsed back to its original flint-lock estate the moment
the huntress trained it on any other creature than an elephant?

Something more than a generation ago Mrs. Eddy went out with her
flint-lock on the rabbit range; and this was a part of the result:

"After his decease, and a severe casualty deemed fatal by skilful
physicians, we discovered that the Principle of all healing and the law
that governs it is God, a divine Principle, and a spiritual not material
law, and regained health."--Preface to Science and Health, first
revision, 1883.