[Elsie]

...what ensures the ongoing inerrancy of His Church.

That's worked out well...

[Cronos]

what ensures the ongoing inerrancy of His Church.

Yes, that did work out very well, thanks to God's grace alone His Church has won many to the Faith of Christ -- Germanics, Slavs, Baltics, Nordics, Naiman, Keralites etc. -- truly fulfilling the prophecy that God's praises will be sung from east to west.