AT LEAST THE FINAL PART IS IN PLAIN ENGLISH: "Baptism and the New World" | Peter J. Leithart | First Things

"...Baptism is neither a supplement to or symbol of
faith but "baptism sanctifies faith, setting it apart
form the present evil age and revealing to those who
are 'Jews by nature' as well as "sinners among the
Gentiles' . . . that their time under the pedagogical
function of the law . . . and stoicheia tou kosmou . . .
has come to an end in the baptismal dawning of the
messianic age" (47-8)..."

http://www.firstthings.com/blogs/leithart/2015/10/baptism-and-the-new-world