His 1787 attempt of a German translation of the Hebrew prayerbook Sefer ha-Nefesh ("Book of the Soul") which he did for the school, finally became not popular as a ritual reform, because 1799 he went so far to offer his community a "dry baptism" as an affiliation by the Lutheran church.
His 1787 translation of the Hebrew prayerbook Sefer ha-Nefesh ("Book of the Soul") for the school failed to gain popularity as a ritual reform, and in 1799 he proposed a "dry baptism" as a way to join the Lutheran Church.