F. Bente, Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church
“ In 1566 he sent it to Simon Musaeus, requesting his opinion and the opinion of Hesshusius, who at that time was celebrating his marriage with the daughter of Musaeus. In his answer, Musaeus approved the tract, but desired that the term "substance" be explained as meaning not the matter, but the form of the substance to which Hesshusius also agreed. After the tract had appeared, Musaeus again wrote to Flacius, June 21, 1568, saying that he agreed with his presentation of original sin. ”
