Both the general purpose of the venerable Johann Arndt in writing his “TRUE CHRISTIANITY,” and also his own character and spirit, will be best exhibited by submitting to the reader a statement referring to his personal history. He was born, December 27th, 1555, in Ballenstädt, a town in the Duchy of Anhalt, where his father, Rev. Jacob Arndt, long labored as the chaplain of Duke Wolfgang, …