author
Johann Arndt
1555–1621
A leading Lutheran devotional writer of the early 1600s, he became best known for True Christianity, a work that urged readers toward inward faith and a changed life. His books were widely read for generations and helped shape the spirit of later Pietism.
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About the author
Born in Anhalt in 1555, Johann Arndt was a German Lutheran pastor and theologian who studied at several universities, including Wittenberg, Strasbourg, and Basel. He served in a number of church posts during a turbulent confessional age and eventually became general superintendent in Celle, where he died in 1621.
Arndt is remembered above all for his devotional writing. His best-known work, True Christianity (Vom wahren Christentum), emphasized repentance, renewal, and a living union with Christ rather than a faith that remained only intellectual or outward. He also wrote Paradiesgärtlein (Garden of Paradise), another influential book of devotion.
Although firmly rooted in Lutheran tradition, his warm and practical spirituality reached far beyond his own lifetime. Later readers often saw him as an important forerunner of Pietism because he stressed heartfelt religion, moral transformation, and daily Christian practice.