Michael Woodhams's Journal: Ignis natura renovatur integra

Prefaced by "Flames are welcome" here.

This turns out to be a medieval alchemists aphorism: "Through fire nature is reborn whole" (reference) , sometimes known by its initials INRI. There are two other Latin quotations which use this acronym, "Iesus Nazarenus Rex Iudaeorum" and "Iustum Necar Reges Impios". I suspect the other two are deliberate acronym matches to "Iesus...".