Zacharias Ursinus was one of the primary authors of the Heidelberg Catechism.
This article can be found in the exposition of question and answer 19 of this same catechism in Ursinus’
“Commentary on the Heidelberg Catechism,” pp. 101-106
(P & R, English Translation 1851).
The electronic edition of this preface was scanned and edited by Shane Rosenthal.
It is in the public domain and may be freely copied and distributed.
Pagination has been retained for purposes of reference.