It seems that even in Kepler's student days there were indications that his religious beliefs were not entirely in accord with the orthodox Lutheranism current in Tübingen and formulated in the 'Augsburg Confession' (Confessio Augustana).
Ito tila na kahit na sa araw Kepler's mag-aaral ay may indications na ang kanyang relihiyon ay hindi ganap na ayon sa mga kasalukuyang kinikilala Lutheranism sa Tübingen at formulated sa 'Augsburg Confession' (Confessio Augustana).