The theory that it is possible for a thing to be theologically true and philosophically false, and the doctrine of the mortality of the human soul, were both repudiated; while a three years' tithe on all church property was set apart to provide funds for a war against the Turks.
A reaction against Lollardy, however, had already begun in the days of Henry IV., and both he and his son felt obliged to discountenance opinions which were believed to be politically and theologically dangerous.
Theologically he has been classed as a precursor of the New England Unitarians.
Historically, this proceeded from the labours of Jean de Launoy (1603-1678), "le denicheur des saints," and Louis Sebastien le Nain de Tillemont, who had shown the falsity of numerous lives of the saints; while theologically it was produced by the Port Royal school, which led men to dwell more on communion with God as contrasted with the invocation of the saints.
The Missouri synod is more theologically conservative than many Lutheran traditions.