Theologia Germanica

Theologia Germanica is a 14th-century anonymous work attributed to a member of the lay-religious group known as 'The Friends of God.' It emphasizes the possibility of achieving unity with God through a holy and selfless life, with Christ as the ultimate example. Martin Luther published the text in 1516, praising its profound insights into God, Christ, and humanity, and recognizing it as one of the most influential spiritual writings of its time.