the study of the aged Luther’s vivid apocalyptic and eschatological visions had a very disturbing effect. The words “finis, finis, finis instat” haunted Bonhoeffer and challenged his personal faith. Luther made an enormous impact on him. Should he choose Holl as his mentor? After these brilliant performances in the historical field, he finally took the plunge into his favorite subject, dogmatics, but the result was near failure. The title of his first essay in the seminar on systematic theology was,
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